___ 8*\/ x
8*sqrt(x)
The derivative of a constant times a function is the constant times the derivative of the function.
Apply the power rule: x\sqrt{x}x goes to 12x\frac{1}{2 \sqrt{x}}2x1
So, the result is: 4x\frac{4}{\sqrt{x}}x4
The answer is:
4 ----- ___ \/ x
-2 ---- 3/2 x
3 ---- 5/2 x