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Find the first term of the following geometric sequence. _____, 39, 117, 351, 1,053, ...

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asked Jun 7, 2017 105k views

3 votes

Find the first term of the following geometric sequence.

_____, 39, 117, 351, 1,053, ...

Mathematics
high-school

Drabuna asked

by Drabuna

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1 Answer

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common ratio = 117/39 = 3
The firest term is 39/3 = 13.

Sanusart answered Jun 12, 2017

by Sanusart

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Find the first term of the following geometric sequence. _____, 39, 117, 351, 1,053, ...

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