Question

Calculus Help Please!!
If integral^k_0 x/(x^2 + 4) dx = 1/2 ln(4), where k > 0, then k=
I know the answer is the square root of 12 but I don’t know how to get there.

Answer 1

Answer: K=sqrt 12

Explanation:

When it's |k^2+4|=4 you had to complete the square to get |(k+2)(k-2)+8|=4