y y
y^y
Don't know the steps in finding this derivative.
But the derivative is
The answer is:
y y *(1 + log(y))
y /1 2\ y *|- + (1 + log(y)) | \y /
y / 3 1 3*(1 + log(y))\ y *|(1 + log(y)) - -- + --------------| | 2 y | \ y /