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Find the 12th Term of a G.P. Whose 8th Term is 192 and the Common Ratio is 2. - Mathematics

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

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Solution

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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APPEARS IN

NCERT Class 11 Mathematics Textbook
Chapter 9 Sequences and Series
Q 2 | Page 192
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