Question

What is the derivative of `2x^3`?

Answer 1

Using power rule.

Explanation:

• Power rule: be `f(x)=x^n`, then `f'(x)=n*x^(n-1)`

`(dy)/(dx)=6x^2`

Answer 2

`6x^2`

Explanation:

When using the power rule:

`f(x)=x^n -> f'(x)=nxxx^(n-1)`

`d/dx (2x^3)`

-> `6x^2`