`intdx/((x-1)^(3/4)(x+2)^(5/4))=` (A) `4/3((x-1)/(x+2))^(1/4)+c` (B) `4/3sqrt((x-1)/(x+2))+c` (C) `4/3((x+2)/(x-1))^(1/4)+c` (D) none of these

intdx/(sqrt(x)(1+x^2)^(5/4))= (A) (2x)/(1+x^2)^(1/4)+c (B) (2sqrt(x))/(1+x^2)^(1/4)+c (C) (2sqrt(x))/(1+x^2)+c (D) none of these

intdx/(sqrt(x)(1+x^2)^(5/4))= (A) (2x)/(1+x^2)^(1/4)+c (B) (2sqrt(x))/(1+x^2)^(1/4)+c (C) (2sqrt(x))/(1+x^2)+c (D) none of these

int(dx)/((x+1)^((3)/(4))(x-2)^((5)/(4))) equal to (A) 4((x+1)/(x-2))^((1)/(4))(B)-(4)/(3)((x+1)/(x-2))^((1)/(4))(C)4((x-1)/(x-2))^((1)/(4))(D)(4)/(3)((x+1)/(x-2))^((1)/(4))

int(1)/([(x-1)^(3)(x+2)^(5)]^(1//4))dx is equal to a) 4/3((x-1)/(x+2))^(1//4)+C b) 4/3((x+2)/(x-1))^(1//4)+C c) 1/3((x-1)/(x+2))^(1//4)+C d) 1/3((x+2)/(x-1))^(1//4)+C

None of these int(2x)/((1-x^(2))sqrt(x^(4)-1))dx is equal to :( A) sqrt((x^(2)-1)/(x^(2)+1))+c(B)sqrt((x^(2)+1)/(x^(2)-1))(C)sqrt(x^(4)+1)(D) None of these

If int(dx)/(x^(2)(x^(4)+1)^(3//4))=A((x^(4)+1)/(x^(4)))^(B)+c, then

int ((tan^(-1) x )^(3))/( 1+x^(2)) dx is equal to a) 3 ( tan^(-1) x )^(2) +C b) (1)/(4) ( tan^(-1)x)^(4) +C c) ( tan^(-1) x)^(4) + C d) none of these

int (1)/( x ^(2)( x ^(4) + 1 )^((3)/(4))) dx is equal to a) -((x^4+1)/(x^4))^(1/4)+c b) -((x^4+1)/(2x))^(1/4)+c c) -((x^4+1)/(x))^(1/4)+c d) -((x^4+1)/(x^2))^(1/4)+c

(3x^(2)+x+1)/((x-1)^(4))=(A)/(x-1)+(B)/((x-1)^(2))+(C)/((x-1)^(3))+(D)/((x-1)^(4)) then A+B-C+D=