Question

please help!! question below. *Medal and fan*

Answer 1

where/

Answer 2

No question is here!!!

Answer 3

wait he/she is typing

Answer 4

\[\int\limits_{\sqrt{2}}^{2} \frac{ dx }{x \sqrt{x ^{2}-1} }\]

Answer 5

Check out the derivative of inverse secant, it'll look a lot like your integrand.

Answer 6

the integral of \[\frac{ 1 }{ x \sqrt{x ^{2}-1} }\] is sec^-1 right??

Answer 7

i know the final answer is pi/12 i just dont know how to get it.

Answer 8

me too

Answer 9

@NoelGreco

Answer 10

sec^-1 ( 2) - sec^-1 (sqrt 2)