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Question

2k+ 5k+1 + 10k+2 are three successive terms of a geometric sequence find the value(s) of k
10 years ago

Answers

Reiny
I see 5 terms, not 3.

You will need brackets to identify the terms
10 years ago
Steve
Clearly, 10k+2 is 2(5k+1)
so, 5k+1 = 2(2k)
k = -1

The sequence is

-2 -4 -8 ...
10 years ago

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