First term a and common difference d are given below. Find the corresponding A.P
(ii) a = 7 , d =−5
Solution :
a, a + d, a + 2d,...........
a = 7
a + d = 7 + (-5) = 2
a + 2d = 7 + 2(-5) = 7 - 10 = -3
The required sequence is 7, 2, -3, .................