Calculus Examples

$\frac{e^{\sqrt{x}}}{\sqrt{x}}$

Step 1

Apply basic rules of exponents.

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Step 1.1

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

$\frac{d}{d x} [\frac{e^{x^{\frac{1}{2}}}}{\sqrt{x}}]$

Step 1.2

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

$\frac{d}{d x} [\frac{e^{x^{\frac{1}{2}}}}{x^{\frac{1}{2}}}]$

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 $f (x) = e^{x^{\frac{1}{2}}}$ and $g (x) = x^{\frac{1}{2}}$ .

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

Step 3

Multiply the exponents in ${(x^{\frac{1}{2}})}^{2}$ .

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Step 3.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{x^{\frac{1}{2}} \frac{d}{d x} [e^{x^{\frac{1}{2}}}] - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x^{\frac{1}{2} \cdot 2}}$

Step 3.2

Cancel the common factor of $2$ .

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Step 3.2.1

Cancel the common factor.

$\frac{x^{\frac{1}{2}} \frac{d}{d x} [e^{x^{\frac{1}{2}}}] - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x^{\frac{1}{2} \cdot 2}}$

Step 3.2.2

Rewrite the expression.

$\frac{x^{\frac{1}{2}} \frac{d}{d x} [e^{x^{\frac{1}{2}}}] - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x^{1}}$

Step 4

Simplify.

$\frac{x^{\frac{1}{2}} \frac{d}{d x} [e^{x^{\frac{1}{2}}}] - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 5

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = e^{x}$ and $g (x) = x^{\frac{1}{2}}$ .

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Step 5.1

To apply the Chain Rule, set $u$ as $x^{\frac{1}{2}}$ .

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

Step 5.2

Differentiate using the Exponential Rule which states that $\frac{d}{d u} [a^{u}]$ is $a^{u} \ln (a)$ where $a$ = $e$ .

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

Step 5.3

Replace all occurrences of $u$ with $x^{\frac{1}{2}}$ .

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

Step 6

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

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

Step 7

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

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

Step 8

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

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

Step 9

Combine the numerators over the common denominator.

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

Step 10

Simplify the numerator.

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Step 10.1

Multiply $- 1$ by $2$ .

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

Step 10.2

Subtract $2$ from $1$ .

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

Step 11

Move the negative in front of the fraction.

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

Step 12

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

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

Step 13

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

$\frac{x^{\frac{1}{2}} \frac{e^{x^{\frac{1}{2}}} x^{- \frac{1}{2}}}{2} - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 14

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

$\frac{x^{\frac{1}{2}} \frac{e^{x^{\frac{1}{2}}}}{2 x^{\frac{1}{2}}} - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 15

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

$\frac{\frac{x^{\frac{1}{2}} e^{x^{\frac{1}{2}}}}{2 x^{\frac{1}{2}}} - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 16

Cancel the common factor.

$\frac{\frac{x^{\frac{1}{2}} e^{x^{\frac{1}{2}}}}{2 x^{\frac{1}{2}}} - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 17

Rewrite the expression.

$\frac{\frac{e^{x^{\frac{1}{2}}}}{2} - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 18

Multiply $\frac{\frac{e^{x^{\frac{1}{2}}}}{2} - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$ by $\frac{2}{2}$ .

$\frac{2}{2} \cdot \frac{\frac{e^{x^{\frac{1}{2}}}}{2} - e^{x^{\frac{1}{2}}} \frac{d}{d x} [x^{\frac{1}{2}}]}{x}$

Step 19

Simplify terms.

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Step 19.1

Combine.

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

Step 19.2

Apply the distributive property.

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

Step 19.3

Cancel the common factor of $2$ .

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Step 19.3.1

Cancel the common factor.

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

Step 19.3.2

Rewrite the expression.

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

Step 19.4

Multiply $- 1$ by $2$ .

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

Step 20

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

$\frac{e^{x^{\frac{1}{2}}} - 2 e^{x^{\frac{1}{2}}} (\frac{1}{2} x^{\frac{1}{2} - 1})}{2 x}$

Step 21

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

$\frac{e^{x^{\frac{1}{2}}} - 2 e^{x^{\frac{1}{2}}} (\frac{1}{2} x^{\frac{1}{2} - 1 \cdot \frac{2}{2}})}{2 x}$

Step 22

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

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

Step 23

Combine the numerators over the common denominator.

$\frac{e^{x^{\frac{1}{2}}} - 2 e^{x^{\frac{1}{2}}} (\frac{1}{2} x^{\frac{1 - 1 \cdot 2}{2}})}{2 x}$

Step 24

Simplify the numerator.

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Step 24.1

Multiply $- 1$ by $2$ .

$\frac{e^{x^{\frac{1}{2}}} - 2 e^{x^{\frac{1}{2}}} (\frac{1}{2} x^{\frac{1 - 2}{2}})}{2 x}$

Step 24.2

Subtract $2$ from $1$ .

$\frac{e^{x^{\frac{1}{2}}} - 2 e^{x^{\frac{1}{2}}} (\frac{1}{2} x^{\frac{- 1}{2}})}{2 x}$

Step 25

Move the negative in front of the fraction.

$\frac{e^{x^{\frac{1}{2}}} - 2 e^{x^{\frac{1}{2}}} (\frac{1}{2} x^{- \frac{1}{2}})}{2 x}$

Step 26

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

$\frac{e^{x^{\frac{1}{2}}} - 2 e^{x^{\frac{1}{2}}} \frac{x^{- \frac{1}{2}}}{2}}{2 x}$

Step 27

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

$\frac{e^{x^{\frac{1}{2}}} + \frac{x^{- \frac{1}{2}} \cdot - 2}{2} e^{x^{\frac{1}{2}}}}{2 x}$

Step 28

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

$\frac{e^{x^{\frac{1}{2}}} + \frac{x^{- \frac{1}{2}} \cdot - 2 e^{x^{\frac{1}{2}}}}{2}}{2 x}$

Step 29

Simplify the expression.

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Step 29.1

Move $- 2$ to the left of $x^{- \frac{1}{2}}$ .

$\frac{e^{x^{\frac{1}{2}}} + \frac{- 2 \cdot x^{- \frac{1}{2}} e^{x^{\frac{1}{2}}}}{2}}{2 x}$

Step 29.2

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

$\frac{e^{x^{\frac{1}{2}}} + \frac{- 2 e^{x^{\frac{1}{2}}}}{2 x^{\frac{1}{2}}}}{2 x}$

Step 30

Factor $2$ out of $- 2 e^{x^{\frac{1}{2}}}$ .

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

Step 31

Cancel the common factors.

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Step 31.1

Factor $2$ out of $2 x^{\frac{1}{2}}$ .

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

Step 31.2

Cancel the common factor.

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

Step 31.3

Rewrite the expression.

$\frac{e^{x^{\frac{1}{2}}} + \frac{- e^{x^{\frac{1}{2}}}}{x^{\frac{1}{2}}}}{2 x}$

Step 32

Move the negative in front of the fraction.

$\frac{e^{x^{\frac{1}{2}}} - \frac{e^{x^{\frac{1}{2}}}}{x^{\frac{1}{2}}}}{2 x}$

Step 33

Simplify.

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Step 33.1

Simplify the numerator.

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Step 33.1.1

Factor $e^{x^{\frac{1}{2}}}$ out of $e^{x^{\frac{1}{2}}} - \frac{e^{x^{\frac{1}{2}}}}{x^{\frac{1}{2}}}$ .

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Step 33.1.1.1

Multiply by $1$ .

$\frac{e^{x^{\frac{1}{2}}} \cdot 1 - \frac{e^{x^{\frac{1}{2}}}}{x^{\frac{1}{2}}}}{2 x}$

Step 33.1.1.2

Factor $e^{x^{\frac{1}{2}}}$ out of $- \frac{e^{x^{\frac{1}{2}}}}{x^{\frac{1}{2}}}$ .

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

Step 33.1.1.3

Factor $e^{x^{\frac{1}{2}}}$ out of $e^{x^{\frac{1}{2}}} \cdot 1 + e^{x^{\frac{1}{2}}} (- \frac{1}{x^{\frac{1}{2}}})$ .

$\frac{e^{x^{\frac{1}{2}}} (1 - \frac{1}{x^{\frac{1}{2}}})}{2 x}$

Step 33.1.2

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

$\frac{e^{x^{\frac{1}{2}}} (\frac{x^{\frac{1}{2}}}{x^{\frac{1}{2}}} - \frac{1}{x^{\frac{1}{2}}})}{2 x}$

Step 33.1.3

Combine the numerators over the common denominator.

$\frac{e^{x^{\frac{1}{2}}} \frac{x^{\frac{1}{2}} - 1}{x^{\frac{1}{2}}}}{2 x}$

Step 33.2

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

$\frac{\frac{e^{x^{\frac{1}{2}}} (x^{\frac{1}{2}} - 1)}{x^{\frac{1}{2}}}}{2 x}$

Step 33.3

Multiply the numerator by the reciprocal of the denominator.

$\frac{e^{x^{\frac{1}{2}}} (x^{\frac{1}{2}} - 1)}{x^{\frac{1}{2}}} \cdot \frac{1}{2 x}$

Step 33.4

Combine.

$\frac{e^{x^{\frac{1}{2}}} (x^{\frac{1}{2}} - 1) \cdot 1}{x^{\frac{1}{2}} (2 x)}$

Step 33.5

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

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Step 33.5.1

Move $x$ .

$\frac{e^{x^{\frac{1}{2}}} (x^{\frac{1}{2}} - 1) \cdot 1}{x \cdot x^{\frac{1}{2}} \cdot 2}$

Step 33.5.2

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

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Step 33.5.2.1

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

$\frac{e^{x^{\frac{1}{2}}} (x^{\frac{1}{2}} - 1) \cdot 1}{x^{1} x^{\frac{1}{2}} \cdot 2}$

Step 33.5.2.2

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

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

Step 33.5.3

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

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

Step 33.5.4

Combine the numerators over the common denominator.

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

Step 33.5.5

Add $2$ and $1$ .

$\frac{e^{x^{\frac{1}{2}}} (x^{\frac{1}{2}} - 1) \cdot 1}{x^{\frac{3}{2}} \cdot 2}$

Step 33.6

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

$\frac{e^{x^{\frac{1}{2}}} (x^{\frac{1}{2}} - 1)}{x^{\frac{3}{2}} \cdot 2}$

Step 33.7

Move $2$ to the left of $x^{\frac{3}{2}}$ .

$\frac{e^{x^{\frac{1}{2}}} (x^{\frac{1}{2}} - 1)}{2 x^{\frac{3}{2}}}$