Question

Question #a3f89

Answer 1

the derivative of `y=7x^3+tan3x` is `21x^2+3sec^2(3x)`

Explanation:

the first thing you should do is the power rule

the power rule is `f'(x)=(ax^{a-1})`

so, do `d/dx 7x^3` and `d/dx tan(3x)`

you should get `21x^2` and `3sec^2(3x)`

`f'(x)=21x^2+3sec^2(3x)`