(Q18).Write three terms of the G.P. when the first term ‘a’ and the common ratio ‘r’ are given.
(i) a = 4 ; r = 3.
The terms are a, ar, ar
2
, ar
3
, ……..
∴ 4, 4 ×
, 4 ×
, 4 ×
, ……
⇒ 4,
,
,
, ……
Clear