n" and "a," if "a_(n)=4,d=2" and "S_(n)=-14

Let there be an A.P.with first term a', common difference 'd'. If a_(n) denotes its nth term and S_(n) the sum of first n terms,find n and a, if a_(n)=4,quad d=2 and S_(n)=-14

For an AP, if a_(n)=4, d=2 and S_(n)= -14 , find n and a.

Let there be an A.P.with first term a', common difference 'd'. If a_(n) denotes its nth term and S_(n) the sum of first n terms,find n and a_(n), if a=2,quad d=8 and S_(n)=90

In an AP : Given a_n=4 , d = 2 , S_(n)=-14 , find n and a .

In an AP: (i) given a=5, d=3, a_(n)=50 , find n and S_(n) . (ii) given a=7, a_(13)=35, find d and S_(13) (iii) given a_(12)=37, d=3 , find a and S_(12) (iv) given a_(3)=15, S_(10)=125 , find and a_(10) . (v) given d=5, S_(9)=75 and a and a_(9) . (vi) given a=2, d=8, S_(n)=90 , find n and a_(n) . (vii) given a=8, a_(n)=62, S_(n)=210 . find n and d. (viii) given a_(n)=4, d=2, S_(n) = -14, find n and a. (ix) given a_(n)=3, n=8, S_(n)=192, find d. (x) Given l=28, s=144 and there are total 9 terms find a.

In an A.P: given a_(n) = 4 , d = 2 , S_(n) = -14 , find n and a .

In an AP : given a_(n) = 4, d = 2, S_(n) = -14 , find n and a.

Determine the number of terms in G.P.(:a_(n):), if a_(1)=3,a_(n)=96 and S_(n)=189

In an AP: (i) Given a=5, d=3, a_(n) = 50 , find n and S_(n) (ii) given a=7, a_(13) = 35 , find d and S_(13) . (iii) given a_(12) = 37, d=3 , find a and S_(12) (iv) given a_(3) = 15, S_(10) = 125 , find d and a_(10) (v) given a=2, d= 8, S_(n) = 90 , find n and a_(n) (vi) given a_(n) = 4, d=2, S_(n) = - 14 , find n and a. (vii) given l=28, S= 144, and there are total 9 terms, find a.