Detail solution
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Don't know the steps in finding this derivative.
But the derivative is
The answer is:
The first derivative
[src]
log(y)
2*y *log(y)
----------------
y
$$\frac{2 y^{\log{\left(y \right)}} \log{\left(y \right)}}{y}$$
The second derivative
[src]
log(y) / 2 \
2*y *\1 - log(y) + 2*log (y)/
----------------------------------
2
y
$$\frac{2 y^{\log{\left(y \right)}} \left(2 \log{\left(y \right)}^{2} - \log{\left(y \right)} + 1\right)}{y^{2}}$$
The third derivative
[src]
log(y) / 2 3 \
2*y *\-3 - 6*log (y) + 4*log (y) + 8*log(y)/
-------------------------------------------------
3
y
$$\frac{2 y^{\log{\left(y \right)}} \left(4 \log{\left(y \right)}^{3} - 6 \log{\left(y \right)}^{2} + 8 \log{\left(y \right)} - 3\right)}{y^{3}}$$