If `I=int x^(-11) (1+x^4)^(-1//2) \ dx`

If I_(1) int sin^(-1) ((2x)/(1 +x^(2)) ) dx , I_(2) = int cos^(-1) ((1-x^(2))/(1 +x^(2)) ) dx , I_(3) = int tan^(-1) ((2x)/(1 - x^(2)) ) dx , then I_(1) + I_(2) - I_(3) =

If I_(1) =int _(0)^(1) (1+x ^(8))/(1+x^(4)) dx sand I_(2)=int _(0)^(1) (1+ x ^(9))/(1+x ^(2)) dx, then:

If I_(1) =int _(0)^(1) (1+x ^(8))/(1+x^(4)) dx sand I_(2)=int _(0)^(1) (1+ x ^(9))/(1+x ^(2)) dx, then:

" If I=int_(0)^(1)(1-x^(4))^(7)dx and J=int_(0)^(1)(1-x^(4))^(6)dx then (I)/(J)

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

int (1)/(4x+5x^(-11))dx

If I_(1)=int_(0)^(1) 2^(x^(2)) dx, I_(2)=int_(0)^(1) 2^(x^(3)) dx, I_(3)=int_(1)^(2) 2^(x^(2))dx and I_(4)=int_(1)^(2) 2^(x^(2))dx then

If I_(1) = int_0^(1) 2^(x^(2)) dx, I_(2) = int_0^(1) 2^(x^(3)) dx, I_(3) = int_1^(2) 2^(x^(2)) dx, I_(4) = int_1^(2) 2^(x^(3)) dx then,

If I_(1)=int_(0)^(1) 2^(x^(2)) dx, I_(2)=int_(0)^(1) 2^(x^(3)) dx, I_(3)=int_(1)^(2) 2^(x^(2))dx and I_(4)=int_(1)^(2) 2^(x^(3))dx then