___ 4 \/ x + ----- ___ \/ x
sqrt(x) + 4/sqrt(x)
Differentiate term by term:
Apply the power rule: goes to
The derivative of a constant times a function is the constant times the derivative of the function.
Let .
Apply the power rule: goes to
Then, apply the chain rule. Multiply by :
Apply the power rule: goes to
The result of the chain rule is:
So, the result is:
The result is:
Now simplify:
The answer is:
1 2 ------- - ---- ___ 3/2 2*\/ x x
1 3 - - + - 4 x ------- 3/2 x