Calculus Examples

$f (x) = \frac{\sqrt{x} - e x + e^{2}}{\log (x)}$

Step 1

Use $\sqrt[n]{a^{x}} = a^{\frac{x}{n}}$ to rewrite $\sqrt{x}$ as $x^{\frac{1}{2}}$ .

$\frac{d}{d x} [\frac{x^{\frac{1}{2}} - e x + e^{2}}{\log (x)}]$

Step 2

Differentiate using the Quotient Rule which states that $\frac{d}{d x} [\frac{f (x)}{g (x)}]$ is $\frac{g (x) \frac{d}{d x} [f (x)] - f (x) \frac{d}{d x} [g (x)]}{{g (x)}^{2}}$ where $f (x) = x^{\frac{1}{2}} - e x + e^{2}$ and $g (x) = \log (x)$ .

$\frac{\log (x) \frac{d}{d x} [x^{\frac{1}{2}} - e x + e^{2}] - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 3

Differentiate.

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Step 3.1

By the Sum Rule, the derivative of $x^{\frac{1}{2}} - e x + e^{2}$ with respect to $x$ is $\frac{d}{d x} [x^{\frac{1}{2}}] + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]$ .

$\frac{\log (x) (\frac{d}{d x} [x^{\frac{1}{2}}] + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 3.2

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = \frac{1}{2}$ .

$\frac{\log (x) (\frac{1}{2} x^{\frac{1}{2} - 1} + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 4

To write $- 1$ as a fraction with a common denominator, multiply by $\frac{2}{2}$ .

$\frac{\log (x) (\frac{1}{2} x^{\frac{1}{2} - 1 \cdot \frac{2}{2}} + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 5

Combine $- 1$ and $\frac{2}{2}$ .

$\frac{\log (x) (\frac{1}{2} x^{\frac{1}{2} + \frac{- 1 \cdot 2}{2}} + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 6

Combine the numerators over the common denominator.

$\frac{\log (x) (\frac{1}{2} x^{\frac{1 - 1 \cdot 2}{2}} + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 7

Simplify the numerator.

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Step 7.1

Multiply $- 1$ by $2$ .

$\frac{\log (x) (\frac{1}{2} x^{\frac{1 - 2}{2}} + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 7.2

Subtract $2$ from $1$ .

$\frac{\log (x) (\frac{1}{2} x^{\frac{- 1}{2}} + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 8

Differentiate.

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Step 8.1

Move the negative in front of the fraction.

$\frac{\log (x) (\frac{1}{2} x^{- \frac{1}{2}} + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 8.2

Combine fractions.

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Step 8.2.1

Combine $\frac{1}{2}$ and $x^{- \frac{1}{2}}$ .

$\frac{\log (x) (\frac{x^{- \frac{1}{2}}}{2} + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 8.2.2

Move $x^{- \frac{1}{2}}$ to the denominator using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{\log (x) (\frac{1}{2 x^{\frac{1}{2}}} + \frac{d}{d x} [- e x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 8.3

Since $- e$ is constant with respect to $x$ , the derivative of $- e x$ with respect to $x$ is $- e \frac{d}{d x} [x]$ .

$\frac{\log (x) (\frac{1}{2 x^{\frac{1}{2}}} - e \frac{d}{d x} [x] + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 8.4

Differentiate using the Power Rule which states that $\frac{d}{d x} [x^{n}]$ is $n x^{n - 1}$ where $n = 1$ .

$\frac{\log (x) (\frac{1}{2 x^{\frac{1}{2}}} - e \cdot 1 + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 8.5

Multiply $- 1$ by $1$ .

$\frac{\log (x) (\frac{1}{2 x^{\frac{1}{2}}} - e + \frac{d}{d x} [e^{2}]) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 8.6

Since $e^{2}$ is constant with respect to $x$ , the derivative of $e^{2}$ with respect to $x$ is $0$ .

$\frac{\log (x) (\frac{1}{2 x^{\frac{1}{2}}} - e + 0) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 8.7

Add $\frac{1}{2 x^{\frac{1}{2}}} - e$ and $0$ .

$\frac{\log (x) (\frac{1}{2 x^{\frac{1}{2}}} - e) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{d}{d x} [\log (x)]}{\log^{2} (x)}$

Step 9

The derivative of $\log (x)$ with respect to $x$ is $\frac{1}{x \ln (10)}$ .

$\frac{\log (x) (\frac{1}{2 x^{\frac{1}{2}}} - e) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10

Simplify.

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Step 10.1

Apply the distributive property.

$\frac{\log (x) \frac{1}{2 x^{\frac{1}{2}}} + \log (x) (- e) - (x^{\frac{1}{2}} - e x + e^{2}) \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.2

Apply the distributive property.

$\frac{\log (x) \frac{1}{2 x^{\frac{1}{2}}} + \log (x) (- e) + (- x^{\frac{1}{2}} - (- e x) - e^{2}) \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.3

Apply the distributive property.

$\frac{\log (x) \frac{1}{2 x^{\frac{1}{2}}} + \log (x) (- e) - x^{\frac{1}{2}} \frac{1}{x \ln (10)} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4

Simplify the numerator.

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Step 10.4.1

Simplify each term.

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Step 10.4.1.1

Combine $\log (x)$ and $\frac{1}{2 x^{\frac{1}{2}}}$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - x^{\frac{1}{2}} \frac{1}{x \ln (10)} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.2

Combine $\frac{1}{x \ln (10)}$ and $x^{\frac{1}{2}}$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{x^{\frac{1}{2}}}{x \ln (10)} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.3

Move $x^{\frac{1}{2}}$ to the denominator using the negative exponent rule $b^{n} = \frac{1}{b^{- n}}$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x \ln (10) x^{- \frac{1}{2}}} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.4

Multiply $x$ by $x^{- \frac{1}{2}}$ by adding the exponents.

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Step 10.4.1.4.1

Move $x^{- \frac{1}{2}}$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{- \frac{1}{2}} x \ln (10)} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.4.2

Multiply $x^{- \frac{1}{2}}$ by $x$ .

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Step 10.4.1.4.2.1

Raise $x$ to the power of $1$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{- \frac{1}{2}} x^{1} \ln (10)} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.4.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{- \frac{1}{2} + 1} \ln (10)} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.4.3

Write $1$ as a fraction with a common denominator.

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{- \frac{1}{2} + \frac{2}{2}} \ln (10)} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.4.4

Combine the numerators over the common denominator.

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{- 1 + 2}{2}} \ln (10)} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.4.5

Add $- 1$ and $2$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} - (- e x) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.5

Cancel the common factor of $x$ .

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Step 10.4.1.5.1

Factor $x$ out of $- (- e x)$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + x (- (- e)) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.5.2

Factor $x$ out of $x \ln (10)$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + x (- (- e)) \frac{1}{x (\ln (10))} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.5.3

Cancel the common factor.

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + x (- (- e)) \frac{1}{x \ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.5.4

Rewrite the expression.

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} - (- e) \frac{1}{\ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.6

Multiply $- 1$ by $- 1$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + 1 e \frac{1}{\ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.7

Multiply $e$ by $1$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + e \frac{1}{\ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.8

Combine $e$ and $\frac{1}{\ln (10)}$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + \frac{e}{\ln (10)} - e^{2} \frac{1}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.1.9

Combine $\frac{1}{x \ln (10)}$ and $e^{2}$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + \frac{e}{\ln (10)} - \frac{e^{2}}{x \ln (10)}}{\log^{2} (x)}$

Step 10.4.2

Reorder factors in $\frac{\log (x)}{2 x^{\frac{1}{2}}} + \log (x) (- e) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + \frac{e}{\ln (10)} - \frac{e^{2}}{x \ln (10)}$ .

$\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} - e \log (x) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + \frac{e}{\ln (10)} - \frac{e^{2}}{x \ln (10)}}{\log^{2} (x)}$

Step 10.5

Combine terms.

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Step 10.5.1

Multiply $\frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} - e \log (x) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + \frac{e}{\ln (10)} - \frac{e^{2}}{x \ln (10)}}{\log^{2} (x)}$ by $\frac{2 \ln (10) x^{\frac{1}{2}}}{2 \ln (10) x^{\frac{1}{2}}}$ .

$\frac{2 \ln (10) x^{\frac{1}{2}}}{2 \ln (10) x^{\frac{1}{2}}} \cdot \frac{\frac{\log (x)}{2 x^{\frac{1}{2}}} - e \log (x) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + \frac{e}{\ln (10)} - \frac{e^{2}}{x \ln (10)}}{\log^{2} (x)}$

Step 10.5.2

Combine.

$\frac{2 \ln (10) x^{\frac{1}{2}} (\frac{\log (x)}{2 x^{\frac{1}{2}}} - e \log (x) - \frac{1}{x^{\frac{1}{2}} \ln (10)} + \frac{e}{\ln (10)} - \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.3

Apply the distributive property.

$\frac{2 \ln (10) x^{\frac{1}{2}} \frac{\log (x)}{2 x^{\frac{1}{2}}} + 2 \ln (10) x^{\frac{1}{2}} (- e \log (x)) + 2 \ln (10) x^{\frac{1}{2}} (- \frac{1}{x^{\frac{1}{2}} \ln (10)}) + 2 \ln (10) x^{\frac{1}{2}} \frac{e}{\ln (10)} + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.4

Cancel the common factor of $2 x^{\frac{1}{2}}$ .

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Step 10.5.4.1

Factor $2 x^{\frac{1}{2}}$ out of $2 \ln (10) x^{\frac{1}{2}}$ .

$\frac{2 x^{\frac{1}{2}} (\ln (10)) \frac{\log (x)}{2 x^{\frac{1}{2}}} + 2 \ln (10) x^{\frac{1}{2}} (- e \log (x)) + 2 \ln (10) x^{\frac{1}{2}} (- \frac{1}{x^{\frac{1}{2}} \ln (10)}) + 2 \ln (10) x^{\frac{1}{2}} \frac{e}{\ln (10)} + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.4.2

Cancel the common factor.

$\frac{2 x^{\frac{1}{2}} \ln (10) \frac{\log (x)}{2 x^{\frac{1}{2}}} + 2 \ln (10) x^{\frac{1}{2}} (- e \log (x)) + 2 \ln (10) x^{\frac{1}{2}} (- \frac{1}{x^{\frac{1}{2}} \ln (10)}) + 2 \ln (10) x^{\frac{1}{2}} \frac{e}{\ln (10)} + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.4.3

Rewrite the expression.

$\frac{\ln (10) \log (x) + 2 \ln (10) x^{\frac{1}{2}} (- e \log (x)) + 2 \ln (10) x^{\frac{1}{2}} (- \frac{1}{x^{\frac{1}{2}} \ln (10)}) + 2 \ln (10) x^{\frac{1}{2}} \frac{e}{\ln (10)} + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.5

Cancel the common factor of $\ln (10)$ .

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Step 10.5.5.1

Factor $\ln (10)$ out of $2 \ln (10) x^{\frac{1}{2}}$ .

$\frac{\ln (10) \log (x) + 2 \ln (10) x^{\frac{1}{2}} (- e \log (x)) + 2 \ln (10) x^{\frac{1}{2}} (- \frac{1}{x^{\frac{1}{2}} \ln (10)}) + \ln (10) (2 x^{\frac{1}{2}}) \frac{e}{\ln (10)} + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.5.2

Cancel the common factor.

Step 10.5.5.3

Rewrite the expression.

$\frac{\ln (10) \log (x) + 2 \ln (10) x^{\frac{1}{2}} (- e \log (x)) + 2 \ln (10) x^{\frac{1}{2}} (- \frac{1}{x^{\frac{1}{2}} \ln (10)}) + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.6

Multiply $- 1$ by $2$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) + 2 \ln (10) x^{\frac{1}{2}} (- \frac{1}{x^{\frac{1}{2}} \ln (10)}) + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.7

Multiply $- 1$ by $2$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 \ln (10) x^{\frac{1}{2}} \frac{1}{x^{\frac{1}{2}} \ln (10)} + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.8

Combine $- 2$ and $\frac{1}{x^{\frac{1}{2}} \ln (10)}$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) + \ln (10) x^{\frac{1}{2}} \frac{- 2}{x^{\frac{1}{2}} \ln (10)} + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.9

Combine $\ln (10)$ and $\frac{- 2}{x^{\frac{1}{2}} \ln (10)}$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) + x^{\frac{1}{2}} \frac{\ln (10) \cdot - 2}{x^{\frac{1}{2}} \ln (10)} + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.10

Combine $x^{\frac{1}{2}}$ and $\frac{\ln (10) \cdot - 2}{x^{\frac{1}{2}} \ln (10)}$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) + \frac{x^{\frac{1}{2}} (\ln (10) \cdot - 2)}{x^{\frac{1}{2}} \ln (10)} + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.11

Move $- 2$ to the left of $\ln (10)$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) + \frac{x^{\frac{1}{2}} (- 2 \cdot \ln (10))}{x^{\frac{1}{2}} \ln (10)} + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.12

Cancel the common factor.

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) + \frac{x^{\frac{1}{2}} (- 2 \ln (10))}{x^{\frac{1}{2}} \ln (10)} + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.13

Rewrite the expression.

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) + \frac{- 2 \ln (10)}{\ln (10)} + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.14

Cancel the common factor of $\ln (10)$ .

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Step 10.5.14.1

Cancel the common factor.

Step 10.5.14.2

Divide $- 2$ by $1$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + 2 \ln (10) x^{\frac{1}{2}} (- \frac{e^{2}}{x \ln (10)})}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.15

Multiply $- 1$ by $2$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e - 2 \ln (10) x^{\frac{1}{2}} \frac{e^{2}}{x \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.16

Combine $- 2$ and $\frac{e^{2}}{x \ln (10)}$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \ln (10) x^{\frac{1}{2}} \frac{- 2 e^{2}}{x \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.17

Combine $\ln (10)$ and $\frac{- 2 e^{2}}{x \ln (10)}$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + x^{\frac{1}{2}} \frac{\ln (10) (- 2 e^{2})}{x \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.18

Combine $x^{\frac{1}{2}}$ and $\frac{\ln (10) (- 2 e^{2})}{x \ln (10)}$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{x^{\frac{1}{2}} (\ln (10) (- 2 e^{2}))}{x \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.19

Move $x^{\frac{1}{2}}$ to the denominator using the negative exponent rule $b^{n} = \frac{1}{b^{- n}}$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{\ln (10) (- 2 e^{2})}{x \ln (10) x^{- \frac{1}{2}}}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.20

Multiply $x$ by $x^{- \frac{1}{2}}$ by adding the exponents.

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Step 10.5.20.1

Move $x^{- \frac{1}{2}}$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{\ln (10) (- 2 e^{2})}{x^{- \frac{1}{2}} x \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.20.2

Multiply $x^{- \frac{1}{2}}$ by $x$ .

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Step 10.5.20.2.1

Raise $x$ to the power of $1$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{\ln (10) (- 2 e^{2})}{x^{- \frac{1}{2}} x^{1} \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.20.2.2

Use the power rule $a^{m} a^{n} = a^{m + n}$ to combine exponents.

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{\ln (10) (- 2 e^{2})}{x^{- \frac{1}{2} + 1} \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.20.3

Write $1$ as a fraction with a common denominator.

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{\ln (10) (- 2 e^{2})}{x^{- \frac{1}{2} + \frac{2}{2}} \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.20.4

Combine the numerators over the common denominator.

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{\ln (10) (- 2 e^{2})}{x^{\frac{- 1 + 2}{2}} \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.20.5

Add $- 1$ and $2$ .

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{\ln (10) (- 2 e^{2})}{x^{\frac{1}{2}} \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.21

Cancel the common factor.

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{\ln (10) (- 2 e^{2})}{x^{\frac{1}{2}} \ln (10)}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.22

Rewrite the expression.

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e + \frac{- 2 e^{2}}{x^{\frac{1}{2}}}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.5.23

Move the negative in front of the fraction.

$\frac{\ln (10) \log (x) - 2 \ln (10) x^{\frac{1}{2}} (e \log (x)) - 2 + 2 x^{\frac{1}{2}} e - \frac{2 e^{2}}{x^{\frac{1}{2}}}}{2 \ln (10) x^{\frac{1}{2}} \log^{2} (x)}$

Step 10.6

Reorder terms.

$\frac{- \frac{2 e^{2}}{x^{\frac{1}{2}}} + \ln (10) \log (x) - 2 e x^{\frac{1}{2}} \ln (10) \log (x) + 2 e x^{\frac{1}{2}} - 2}{2 x^{\frac{1}{2}} \log^{2} (x) \ln (10)}$