sum_(n=1)^(10)sum_(m=1)^(10)tan^(-1)(m)/(n)=k pi" then "k=

If the sum sum_(n=1)^(10)sum_(m=1)^(10)tan^(-1)((m)/(n))=k pi, find the value of k

If the sum sum_(n=1)^10 sum_(m=1)^10 tan^(-1) (m/n) = k pi , find the value of k

The value of sum_(n=1)^(10) sum_(m=1)^(10) (m^(2)+n^(2)) equals

If sum_(r=1)^(n) t_(r ) = sum_(k=1)^(n) sum_(j=1)^(k) sum_(i=1)^(j) 2 , then sum_(r=1)^(n) (1)/( t_(r )) equals :

If sum_(r=1)^(10)tan^(-1)(3/(9r^(2)+3r-1))=cot^(-1)(m/n) (where m and n are coprime) then the value of ((2m+n))/8 is

Let S_(n)=sum_(r=1)^(oo)(1)/(n^(r)) and sum_(n=1)^(k)(n-1)S_(n)=5050, then k=

The value of sum_(r=1)^(n+1)(sum_(k=1)^n ^kC_(r-1)) (where r, k, n in N ) is equal to