i am stuck on problem 26. here is a pic of the problem

http://imgur.com/Sp5PsOF

please include all work/steps in the answer

thanks in advance

26. Take the derivative of each part, then combine

d/dx (5th root of x) = (1/5)(x^(1/5 - 1)) = (1/5)(x^-4/5) = 1 / 5x^4/5

d/dx (-2/x) = (-1)(-2)(x^-2) = 2 / x^2

Now combine

1/5x^4/5 + 2/x^2

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