Evaluate the integral:
\int (\sqrt(16x^(2)-25))/(x^(3))dx
(A) Which trig substitution is correct for this integral?
x=(4)/(5)sec(\theta )
x=(25)/(16)sec(\theta )
x=(5)/(4)sec(\theta )
x=(1)/(16)sec(\theta )
x=(5)/(4)sin(\theta )
(B) Which integral do you obtain after substituting for
x
? Note: to enter
\theta
, type the word theta.
\int |d\theta
| (C) What is the value of the above integral in terms of
\theta
? [C)