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Question
Check whether the following sequence is G.P. If so, write tn.
7, 14, 21, 28, …
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Solution
7, 14, 21, 28, …
t1 = 7, t2 = 14, t3 = 21, t4 = 28
Here, `"t"_2/"t"_1` = 2, `"t"_3/"t"_2 = 3/2`, `"t"_4/"t"_3 = 4/3`
∵ `"t"_2/"t"_1 ≠ "t"_3/"t"_2 ≠ "t"_4/"t"_3`
∴ the sequence is not a Geometric progression.
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