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Per NCERT Example 7, is 1, 3, 9, 27, 81, ... a GP — and what is the common ratio?
AYes, with common ratio r = 9
BYes, with common ratio r = 2
CNo, this is an AP
DYes, with common ratio r = 3 (each term is 3 times the previous)
Answer & Solution
Correct answer: D. Yes, with common ratio r = 3 (each term is 3 times the previous)
Per NCERT, 3/1 = 9/3 = 27/9 = 81/27 = 3. Common ratio r = 3.
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