Determine the 12th term of a G.P. whose 8th term is 192 and common ratio is 2.

Given, a 8 = 192 and r = 2. By formula, a n = ar n - 1 . ⇒ a 8 = a(2) (8 - 1) ⇒ 192 = a(2) 7 ⇒ a = 12th term of the G.P. is a 12 , Hence, the 12th term of the G.P. is 3072.