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May 27, 2015

Homework Help: Calculus

Posted by sh on Saturday, October 30, 2010 at 5:46am.

I have trouble finding the second derivative, my answer is a little off from the answer key.
f(x)=(log(base2)x)^5
f'(x)=[5(log(base2)x)^4]/xln2
f"(x)=[20(log(base2)x)(xln2)-(ln2+(x/2))(5(log(base2)x)^4)]/[x(ln2)]

for the f"(x), is g(x)=xln2? It is a product so I think it should be dealt with differently, but I am unclear on that.

Thanks

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