Calculus Examples

$y = \csc^{5} (1 - x + 3 x^{2})$

Step 1

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = x^{5}$ and $g (x) = \csc (1 - x + 3 x^{2})$ .

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Step 1.1

To apply the Chain Rule, set $u_{1}$ as $\csc (1 - x + 3 x^{2})$ .

$\frac{d}{d u_{1}} [{u_{1}}^{5}] \frac{d}{d x} [\csc (1 - x + 3 x^{2})]$

Step 1.2

Differentiate using the Power Rule which states that $\frac{d}{d u_{1}} [{u_{1}}^{n}]$ is $n {u_{1}}^{n - 1}$ where $n = 5$ .

$5 {u_{1}}^{4} \frac{d}{d x} [\csc (1 - x + 3 x^{2})]$

Step 1.3

Replace all occurrences of $u_{1}$ with $\csc (1 - x + 3 x^{2})$ .

$5 \csc^{4} (1 - x + 3 x^{2}) \frac{d}{d x} [\csc (1 - x + 3 x^{2})]$

Step 2

Differentiate using the chain rule, which states that $\frac{d}{d x} [f (g (x))]$ is $f' (g (x)) g' (x)$ where $f (x) = \csc (x)$ and $g (x) = 1 - x + 3 x^{2}$ .

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Step 2.1

To apply the Chain Rule, set $u_{2}$ as $1 - x + 3 x^{2}$ .

$5 \csc^{4} (1 - x + 3 x^{2}) (\frac{d}{d u_{2}} [\csc (u_{2})] \frac{d}{d x} [1 - x + 3 x^{2}])$

Step 2.2

The derivative of $\csc (u_{2})$ with respect to $u_{2}$ is $- \csc (u_{2}) \cot (u_{2})$ .

$5 \csc^{4} (1 - x + 3 x^{2}) (- \csc (u_{2}) \cot (u_{2}) \frac{d}{d x} [1 - x + 3 x^{2}])$

Step 2.3

Replace all occurrences of $u_{2}$ with $1 - x + 3 x^{2}$ .

$5 \csc^{4} (1 - x + 3 x^{2}) (- \csc (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) \frac{d}{d x} [1 - x + 3 x^{2}])$

Step 3

Multiply $- 1$ by $5$ .

$- 5 \csc^{4} (1 - x + 3 x^{2}) (\csc (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) \frac{d}{d x} [1 - x + 3 x^{2}])$

Step 4

Raise $\csc (1 - x + 3 x^{2})$ to the power of $1$ .

$- 5 (\csc^{1} (1 - x + 3 x^{2}) \csc^{4} (1 - x + 3 x^{2})) (\cot (1 - x + 3 x^{2}) \frac{d}{d x} [1 - x + 3 x^{2}])$

Step 5

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

$- 5 {\csc (1 - x + 3 x^{2})}^{1 + 4} (\cot (1 - x + 3 x^{2}) \frac{d}{d x} [1 - x + 3 x^{2}])$

Step 6

Add $1$ and $4$ .

$- 5 \csc^{5} (1 - x + 3 x^{2}) (\cot (1 - x + 3 x^{2}) \frac{d}{d x} [1 - x + 3 x^{2}])$

Step 7

By the Sum Rule, the derivative of $1 - x + 3 x^{2}$ with respect to $x$ is $\frac{d}{d x} [1] + \frac{d}{d x} [- x] + \frac{d}{d x} [3 x^{2}]$ .

$- 5 \csc^{5} (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) (\frac{d}{d x} [1] + \frac{d}{d x} [- x] + \frac{d}{d x} [3 x^{2}])$

Step 8

Since $1$ is constant with respect to $x$ , the derivative of $1$ with respect to $x$ is $0$ .

$- 5 \csc^{5} (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) (0 + \frac{d}{d x} [- x] + \frac{d}{d x} [3 x^{2}])$

Step 9

Add $0$ and $\frac{d}{d x} [- x]$ .

$- 5 \csc^{5} (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) (\frac{d}{d x} [- x] + \frac{d}{d x} [3 x^{2}])$

Step 10

Since $- 1$ is constant with respect to $x$ , the derivative of $- x$ with respect to $x$ is $- \frac{d}{d x} [x]$ .

$- 5 \csc^{5} (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) (- \frac{d}{d x} [x] + \frac{d}{d x} [3 x^{2}])$

Step 11

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

$- 5 \csc^{5} (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) (- 1 \cdot 1 + \frac{d}{d x} [3 x^{2}])$

Step 12

Multiply $- 1$ by $1$ .

$- 5 \csc^{5} (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) (- 1 + \frac{d}{d x} [3 x^{2}])$

Step 13

Since $3$ is constant with respect to $x$ , the derivative of $3 x^{2}$ with respect to $x$ is $3 \frac{d}{d x} [x^{2}]$ .

$- 5 \csc^{5} (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) (- 1 + 3 \frac{d}{d x} [x^{2}])$

Step 14

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

$- 5 \csc^{5} (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) (- 1 + 3 (2 x))$

Step 15

Multiply $2$ by $3$ .

$- 5 \csc^{5} (1 - x + 3 x^{2}) \cot (1 - x + 3 x^{2}) (- 1 + 6 x)$