Write three terms of the GP when the first term ‘a’ and the common ratio ‘r’ are given?
a = 81, r = 
First term (a) = 81; common ratio (r) = 
The three terms are given by
⇒ a, ar, ar2.
= 81, 81×
, 81×
2 = 81, -27, 9
2
Write three terms of the GP when the first term ‘a’ and the common ratio ‘r’ are given?
a = 81, r =
First term (a) = 81; common ratio (r) =
The three terms are given by
⇒ a, ar, ar2.
= 81, 81×, 81×2 = 81, -27, 9