[(1-(4)/(n^(2))):M=Gamma^(2)[(n^(2)-1)/(n+1))and N=prod_(n=1)^(2)((1+n^(-1))^(2))/(1+2n^(-1))," then find the value of "L^(-1)+M^(-1)+N^(-1)

Let L=prod_(n=3)^(oo)(1-(4)/(n^(2)));M=prod_(n=2)^(oo)((n^(3)-1)/(n^(3)+1)) and N=prod_(n=1)^(oo)((1+n^(-1))^(2))/(1+2n^(-1)), then find then find the value of L^(-1)+M^(-1)+N^(-1)

If ^(2n+1)P_(n-1):^(2n-1)P_(n)=3:5, then find the value of n.

If "^(2n+1)P_(n-1):^(2n-1)P_n=3:5, then find the value of n .

If "^(2n+1)P_(n-1):^(2n-1)P_n=3:5, then find the value of n .

Find the value of prod_(n-2)^(n) (1 - (1)/(n^(2)))

Find the value of n if: 2n! n! =(n+1)(n-1)(!(2n-1)!

Find the value of n if ""^(2n+1)P_(n-1):""^(2n-1)P_n=3:5 .

The value of the limit prod_(n=2)^(oo)(1-(1)/(n^(2))) is