Detail solution
-
Apply the product rule:
; to find :
-
Apply the power rule: goes to
; to find :
-
The derivative of is .
The result is:
-
Now simplify:
The answer is:
The first derivative
[src]
$$8 x^{7} \log{\left(x \right)} + x^{7}$$
The second derivative
[src]
$$x^{6} \left(56 \log{\left(x \right)} + 15\right)$$
The third derivative
[src]
$$2 x^{5} \left(168 \log{\left(x \right)} + 73\right)$$