Question

12 In an AP: (1) given a =5, d=3, a = 50, find n and S. given a=7,0,3 = 35, find d and S13 (111) given a,, = 37, d= 3, find a and (iv) given a, = 15, S6 = 125, find d and a ,o (V given a = 2, d=8, S = 90, find n and a (vi given a = 4, d=2, S =-14, find n and a. (vii) given l = 28, S = 144, and there are total 9 terms. Find a. 12 72 72 11​

Answer 1

Answer:

Option in is correct

Step-by-step explanation:

PLEASE MARK AS BRANILST AND LIKE