If `I=int_(0)^(1) (1)/(1+x^(pi//2))dx`then

int_(0)^( pi/8)(1)/(1+4x^(2))dx=?

int_(0)^( pi/2)(1+sin x)^(1/2)dx

int_(0)^(pi//4) (1)/(1+cos 2x)dx

If I_(1)=int_(0)^(oo) (dx)/(1+x^(4))dx and I_(2)=underset(0)overset(oo)int x^(2)(dx)/(1+x^(4))"then"n (I_(1))/(I_(2))=

If I_(1)=int_(0)^(2pi)sin^(3)xdx and I_(2)=int_(0)^(1)ln((1)/(x)-1)dx , then

If I_(1)=int_(0)^(2pi)sin^(3)xdx and I_(2)=int_(0)^(1)ln((1)/(x)-1)dx , then

If int_(0)^(a) (1)/(1+4x^(2)) dx = pi/8 , then a=

If int_(0)^(a) (1)/(1+4x^(2)) dx = pi/8 , then a=

int_(0)^(pi/2)(1)/(1+cot^(4)x)dx=