int_(0)^(oo)(x^(2)dx)/((x^(2)+a^(2))(x^(2)+b^(2)))=(pi)/(2(a+b))

int_(0)^(oo)(x^(2))/((x^(2)+a^(2))(x^(2)+b^(2)))dx=(pi)/(2(a+b))

Prove that int_(0)^(oo) (dx)/((x^(2)+a^(2))(x^(2)+b^(2)))=(pi)/(2ab(a+b))

int_(0)^(oo)(dx)/((x^(2)+a^(2))(x^(2)+b^(2)))=

If int_(0)^(oo)(x^(2)dx)/((x^(2)+a^(2))(x^(2)+b^(2))(x^(2)+c^(2)))=(pi)/(2(a+b)(b+c)(c+a))" then "int_(0)^(oo)(dx)/((x^(2)+4)(x^(2)+9))=

Given int_0^(oo) (x^(2)dx)/((x^(2)+a^(2))(x^(2)+b^(2))(x^(2)+c^(2))) = pi/(2(a+b)(b+c)(c+a)) the value of int_0^(oo) (dx)/((x^(2)+4)(x^(2)+9)) =

int_ (0)^(oo) (x^(2) dx)/((x^(2)+a^(2)) (x^(2)+b^(2)) (x^(2) +c^(2))) = (pi)/(2 (a+b) (b+c) (c+a)), then value of int_ (0)^(oo) (dx)/((x ^(2) +4) (x^(2) +9)) is (i) (pi)/(60) (ii) (pi)/(20) (iii) (pi)/(40) (iv ) (pi)/(80)

I=int_(0)^(oo)(x)/((x^(2)+a^(2))^(2))dx

int_(0)^(oo) (ln x)/(x^(2)+a^(2))dx=

int_(0)^(oo)(x logx)/((1+x^(2))^(2)) dx=

int_(0)^(oo)(x logx)/((1+x^(2))^(2)) dx=