Posted by **Sam** on Monday, May 21, 2012 at 11:58am.

I need help with these two review calculus problems for my final exam.

What is the derivative of

a). (5x^2+9x-7)^5

b). Lne^x^3

For a. I got 50x+45(5x^5+9x-7)^4

For b. I got 3x^2

Can you verify please?

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