4 / 2 \ \x + 1/
/ 4\ d |/ 2 \ | --\\x + 1/ / dx
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Differentiate term by term:
Apply the power rule: goes to
The derivative of the constant is zero.
The result is:
The result of the chain rule is:
Now simplify:
The answer is:
2 / 2\ / 2\ 8*\1 + x / *\1 + 7*x /
/ 2\ / 2\ 48*x*\1 + x /*\3 + 7*x /