- #1

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- 132

- Homework Statement
- Pls see below

- Relevant Equations
- Pls see below

For this proof,

I am unsure how they got from line 3 to line 4.

If I simplify and collect like terms for line 3 I get ##f'(a) = 4a^{n-1}##

Would some please be able to help?

Many thanks!

I am unsure how they got from line 3 to line 4.

If I simplify and collect like terms for line 3 I get ##f'(a) = 4a^{n-1}##

Would some please be able to help?

Many thanks!