" 67.If "I_(n)=int_(0)^((pi)/(4))tan^(n)xdx," then "(1)/(I_(2)+I_(4)),(1)/(I_(3)+I_(5)),(1)/(I_(4)+I_(6))......" from "

If I_(n)=int_(0)^(pi//4) tan^(n)x dx , then (1)/(I_(2)+I_(4)),(1)/(I_(3)+I_(5)),(1)/(I_(4)+I_(6)),... from\

If I_(n)=int_(0)^(pi//4) tan^(n)x dx , then (1)/(I_(2)+I_(4)),(1)/(I_(3)+I_(5)),(1)/(I_(4)+I_(6)),... from\

let I_(n)=int_(0)^((pi)/(4))tan^(n)xdx,n>1

If I_(n)=int_(0)^(pi//4)tan^(n)xdx , then (1)/(I_(3)+I_(5)) is

If I_(n) = int_(0)^(pi//4) tan^(n) x dx then (1)/(I_(3)+I_(5))=

If I_(n)=int_(0)^(pi//4)tan^(n)x dx, then 7(I_(6)+I_(8))=

If I_(n)=int_(0)^((pi)/(4))tan^(n)theta then I_(8)+I_(6) equals

If I_(n)=int_(0)^( pi/4)tan^(n)xdx, show that (1)/(I_(2)+I_(4)),(1)/(I_(3)+I_(5)),(1)/(I_(4)+I_(6)),(1)/(I_(5)+I_(7)),... form an A.P. Find the common difference of this progression.

If I_(n) = int_0^(pi/4) tan^(n)x dx , then n(I_(n-1)+I_(n+1)) =