Question

evaluate the integral: x^2 (dx) / square root of X^2+25

Answer 1

trig sub

Answer 2

Okay. What i am stuck on is the x^2 in the numerator does this become (5tan)^2 or something else? Any help would be great.

Answer 3

ya (5tan)^2 sounds right :)

were you able to figure out how to switch your dx?

Answer 4

If i am not mistaken the dx would become