In an AP, given `a_n=4, d=2, S_n=-14` find `n` and `a`

In an AP:(viii) given a_n=4,d=2,S_n=-14 ,find n and a.

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

In an AP:(vi) given a=2,d=8, S_n=90 ,find n and a_n

In an AP: given a=8, a_n=62,S_n=210 find n and d

In an AP :- given a = 2, d = 8, S_n = 90 find n and a_n .

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 AP:(vii) given a=8, a_n=62,S_n=210 ,find n and d

In an AP:(i) given a=5,d=3, a_n=50 ,find n and S_n

In an AP : Given a=2, d=8 , S_(n)=90 , find n and a_n .