Solve P D \ (-21)+(-5)\ )*(-4)-20]=3

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Question

$$\{ f ( - 21 ) + ( - 5 ) ^ { 2 } \} ] \times ( - 4 ) - 20 \} = 3$$

Differentiate w.r.t. f

$-21$

Steps Using Derivative Rule for Sum

Calculate $-5$ to the power of $2$ and get $25$.

$$\frac{\mathrm{d}}{\mathrm{d}f}(f\left(-21\right)+25)$$

The derivative of a polynomial is the sum of the derivatives of its terms. The derivative of a constant term is $0$. The derivative of $ax^{n}$ is $nax^{n-1}$.

$$-21f^{1-1}$$

Subtract $1$ from $1$.

$$-21f^{0}$$

For any term $t$ except $0$, $t^{0}=1$.

$$-21$$

Show Solution

Evaluate

$25-21f$

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Example

Question

Differentiate w.r.t. f

Steps Using Derivative Rule for Sum

Evaluate

Solution Steps