Michael J. answered 01/30/17
Tutor
5
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Mastery of Limits, Derivatives, and Integration Techniques
Rewrite the function using rational exponents.
y = x1/2lnx
Use the product and logarithmic differentiation.
y' = (1/2)x-1/2lnx + x1/2x-1
y' = (1/2)x1/2lnx + x-1/2
Then to find y'', take the derivative of y'.