[" 3.In an AP: "],[" (i) given "a=5.d=3.a_(1)=50." find "n" and "S_(n)" " "]

In an AP,given a=5,d=3,a_(n)=50. Find n and S_(n)

In an AP: given a=5,d=3,a_(n)=50, find n and S_(n)

In an AP: (i) Given a = 5, d = 3, a_(n) = 50 , find n and S_(n) .

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

In an AP: (i) Given a=5, d=3, a_(n) = 50 , find n

In an A. P. : given a = 5, d = 3, a _(n) = 50, find n and S _(n).

In an A.P: given a = 5 , d = 3, a_(n) = 50 , find n and S_(n)

In an AP : given a = 5, d = 3, a_(n) = 50 , find n and S_(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.