" I1."int_(2)^(3)(dx)/(x^(2)-1)

Evaluate the integrals : I = int_(-3)^(-2) (dx)/(x^(2) - 1) ,

" (i) "int_(0)^(3)(dx)/((x+2)sqrt(1+x))

Let I=int_(1)^(3)|(x-1)(x-2)(x-3)|dx The value of I^(-1) .

Let I=int_(1)^(3)|(x-1)(x-2)(x-3)|dx. The value of I^(-1) .

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))=

Let I_(1)=int_(0)^(1)(|lnx|)/(x^(2)+4x+1)dx and I_(2)=int_(1)^(oo)(lnx)/(x^(2)+4x+1)dx , then

Let I_(1)=int_(0)^(1)(|lnx|)/(x^(2)+4x+1)dx and I_(2)=int_(1)^(oo)(lnx)/(x^(2)+4x+1)dx , then

Let I_(1)=int_(1)^(2)(x)/(sqrt(1+x^(2)))dx and I_(2)=int_(1)^(2)(1)/(x)dx .Then

If I_(1) = int_(1)^(2)(dx)/(sqrt(1+x^(2))) and I_(2)= int_(1)^(2) (dx)/(x) then

(i) int_0^1 (dx)/sqrt(1-x^2) (ii) int_0^1 (dx)/sqrt(1+x^2) (iii) a int_1^sqrt3 (dx)/(1+x^2) b int_0^1 (dx)/(1+x^2) (iv) int_0^(2//3) (dx)/(4+9x^2) (v) int_0^1 x/(x^2+1)dx (vi) int_2^3 x/(x^2+1) dx