Find the 12th Term of a G.P. Whose 8th Term is 192 and the Common Ratio is 2. - CBSE (Arts) Class 11 - Mathematics
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Find the 12th term of a G.P. whose 8th term is 192 and the common ratio is 2.
Common ratio, r = 2
Let a be the first term of the G.P.
∴ a8 = ar 8–1 = ar7
⇒ ar7 = 192
a(2)7 = 192
a(2)7 = (2)6 (3)
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Solution Find the 12th Term of a G.P. Whose 8th Term is 192 and the Common Ratio is 2. Concept: Geometric Progression (G. P.).