1.

int (2x^2-1+x^2 sqrt(x^2+4))/(x^2(x^2+4))dx

Answer»

`9/8tan^(-1) x/2+1/(4x)+cos h^(-1)x/2+C`
`9/8 "tan"^(-1)x/2+1/(4x)+"SIN" h^(-1)x/2+c`
`9/16"log"|(x+2)/(x-2)|+1/(4x)+"log|(x+sqrt(x^2+4))/(2)|+C`
`(-9)/(16)log|(2-x)/(2+x)|+1/(4x)+"cos"h^(-1)x/2+C`

Answer :B


Discussion

No Comment Found

Related InterviewSolutions