Calculus Examples

${(4 t^{2} - 6 t + 10)}^{\frac{3}{2}}$

Step 1

Differentiate using the chain rule, which states that $\frac{d}{d t} [f (g (t))]$ is $f' (g (t)) g' (t)$ where $f (t) = t^{\frac{3}{2}}$ and $g (t) = 4 t^{2} - 6 t + 10$ .

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Step 1.1

To apply the Chain Rule, set $u$ as $4 t^{2} - 6 t + 10$ .

$\frac{d}{d u} [u^{\frac{3}{2}}] \frac{d}{d t} [4 t^{2} - 6 t + 10]$

Step 1.2

Differentiate using the Power Rule which states that $\frac{d}{d u} [u^{n}]$ is $n u^{n - 1}$ where $n = \frac{3}{2}$ .

$\frac{3}{2} u^{\frac{3}{2} - 1} \frac{d}{d t} [4 t^{2} - 6 t + 10]$

Step 1.3

Replace all occurrences of $u$ with $4 t^{2} - 6 t + 10$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} \frac{d}{d t} [4 t^{2} - 6 t + 10]$

Step 2

By the Sum Rule, the derivative of $4 t^{2} - 6 t + 10$ with respect to $t$ is $\frac{d}{d t} [4 t^{2}] + \frac{d}{d t} [- 6 t] + \frac{d}{d t} [10]$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} (\frac{d}{d t} [4 t^{2}] + \frac{d}{d t} [- 6 t] + \frac{d}{d t} [10])$

Step 3

Evaluate $\frac{d}{d t} [4 t^{2}]$ .

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Step 3.1

Since $4$ is constant with respect to $t$ , the derivative of $4 t^{2}$ with respect to $t$ is $4 \frac{d}{d t} [t^{2}]$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} (4 \frac{d}{d t} [t^{2}] + \frac{d}{d t} [- 6 t] + \frac{d}{d t} [10])$

Step 3.2

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

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} (4 (2 t) + \frac{d}{d t} [- 6 t] + \frac{d}{d t} [10])$

Step 3.3

Multiply $2$ by $4$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} (8 t + \frac{d}{d t} [- 6 t] + \frac{d}{d t} [10])$

Step 4

Evaluate $\frac{d}{d t} [- 6 t]$ .

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Step 4.1

Since $- 6$ is constant with respect to $t$ , the derivative of $- 6 t$ with respect to $t$ is $- 6 \frac{d}{d t} [t]$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} (8 t - 6 \frac{d}{d t} [t] + \frac{d}{d t} [10])$

Step 4.2

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

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} (8 t - 6 \cdot 1 + \frac{d}{d t} [10])$

Step 4.3

Multiply $- 6$ by $1$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} (8 t - 6 + \frac{d}{d t} [10])$

Step 5

Differentiate using the Constant Rule.

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Step 5.1

Since $10$ is constant with respect to $t$ , the derivative of $10$ with respect to $t$ is $0$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} (8 t - 6 + 0)$

Step 5.2

Add $8 t - 6$ and $0$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1} (8 t - 6)$

Step 6

Simplify.

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Step 6.1

Combine terms.

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Step 6.1.1

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

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} - 1 \cdot \frac{2}{2}} (8 t - 6)$

Step 6.1.2

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

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3}{2} + \frac{- 1 \cdot 2}{2}} (8 t - 6)$

Step 6.1.3

Combine the numerators over the common denominator.

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3 - 1 \cdot 2}{2}} (8 t - 6)$

Step 6.1.4

Simplify the numerator.

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Step 6.1.4.1

Multiply $- 1$ by $2$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{3 - 2}{2}} (8 t - 6)$

Step 6.1.4.2

Subtract $2$ from $3$ .

$\frac{3}{2} {(4 t^{2} - 6 t + 10)}^{\frac{1}{2}} (8 t - 6)$

Step 6.1.5

Combine $\frac{3}{2}$ and ${(4 t^{2} - 6 t + 10)}^{\frac{1}{2}}$ .

$\frac{3 {(4 t^{2} - 6 t + 10)}^{\frac{1}{2}}}{2} (8 t - 6)$

Step 6.2

Reorder the factors of $\frac{3 {(4 t^{2} - 6 t + 10)}^{\frac{1}{2}}}{2} (8 t - 6)$ .

$(8 t - 6) \frac{3 {(4 t^{2} - 6 t + 10)}^{\frac{1}{2}}}{2}$