Consider an A.P. with first term a and common difference d. Let `S_k` denote the sum of the first k terms. If `S_(kx)/S_(x)` is independent of x, then

Consider an A.P. with first term 'a' and common difference 'd'. Let S_(k) denote the sum of first k terms. If (S_(kx))/(S_(x)) is independent of x, then :

Consider an AP with first term a and the common difference 'd' Let S_k denote the sum of its first k terms. If S_(kx)/S_x is independent of x then

For an A.P. if the first term is 8 and the common difference is 8, then S_(n) =

For an A.P. if the first term is 8 and the common difference is 8, then S_(n) =

Consider an A.P. with first term 'a'. Let S_(n) denote the sum its terms. If (S_(kx))/(S_(x)) is independent of x, then S_(n)=

Consider an A.P. with first term 'a'. Let S_(n) denote the sum its terms. If (S_(kx))/(S_(x)) is independent of x, then S_(n)=

If S_n denote the sum of n terms of an A.P. with first term a and common difference d such that (S_x)/(S_(k x)) is independent of x , then d=a (b) d=2a (c) a=2d (d) d=-a

If S_n denote the sum of n terms of an A.P. with first term a and common difference d such that (S_x)/(S_(k x)) is independent of x , then (a) d=a (b) d=2a (c) a=2d (d) d=-a

Let there be an A.P. with first term ' a ' , common difference ' d ' . If a_n denotes its n t h term and S_n the sum of first n terms, find n and S_n , if a=5,\ \ d=3 and a_n=50

Let there be an A.P. with first term ' a ' , common difference ' d ' . If a_n denotes its n t h term and S_n the sum of first n terms, find n and a_n , if a=2,\ \ d=8 and S_n=90 .