" If "alpha,beta" are roots of "375x^(2)-25x-2=0" and "s_(n)=alpha^(n)+beta^(n)" ,then "lim_(n rarr oo)sum_(n=1)^(n)s_(r)

If alpha, beta are roots of 375x^(2)-25x-2=0 and s_(n)=alpha^(n)+beta^(n) , then lim_(n to oo) sum_(r=1)^(n)S_(r) is

if alpha,beta be roots of equation 375x^(2)-25x-2=0 and s_(n)=alpha^(n)+beta^(n) then lim_(n rarr oo)(sum_(r=1)^(n)S_(r))=......

If alpha, beta are the roots of x^(2)-a x+b=0 and A_(n)='alpha'^(n)+beta^(n) , then A_(n+1)=

If alpha, beta are roots of 375x^(2) - 25x - 2 = 0 and s_(n) = alpha^(n) + beta^(n), then underset(n rarr infty) sum_(r = 1)^(n) S_(r) is :

If alpha , beta are roots of 375 x^(2) - 25x - 2 = 0 and s_(n) = alpha^(n) + beta^(n) , then underset(n rarr infty)(lim) sum_(r= 1)^(n) s_(r) is :

if alpha , beta be roots of equation 375 x^2 -25 x -2 = 0 and s_n = alpha^n + beta^n then lim_(n->oo) (sum_(r=1)^n S_r) = .......

If alpha and beta are roots of x^(2)-x+2=0 and S_(n).=alpha^(n)+beta^(n),n in N ,then value of (sum_(n=1)^(5)s_(n))/(sum_(n=1)^(4)alpha^(n)+sum_(n=1)^(4)beta^(n)+7) is