Question

Evaluate the integral using trig substitution. Refer to trig. integrals. . Integral of dx/x^2 times sqrrt of x^2-25.

Answer 1

\[\int\limits_{}^{}dx / x ^{2} \sqrt{x ^{2}-25}\]

Answer 2

Where is this x^2 in denominator or up top?

Answer 3

it's in the denominator

Answer 4

I got it, let x= 5 sec theta

Answer 5

u=(x^2) - 25 = 5 tan theta

Answer 6

do u get it?