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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$a _ { 3 }$$

Differentiate w.r.t. a_3

$1$

Steps Using Definition of a Derivative

The derivative of $ax^{n}$ is $nax^{n-1}$.

$$a_{3}^{1-1}$$

Subtract $1$ from $1$.

$$a_{3}^{0}$$

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

$$1$$

Evaluate

$a_{3}$