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Show that the sequence is geometric.Then find the common ratio and write out the first four terms.

0 votes

Show that the sequence is geometric.Then find the common ratio and write out the first four terms.

asked Feb 16, 2015 in PRECALCULUS by anonymous
reshown Feb 16, 2015 by goushi

1 Answer

0 votes

Step 1:

The sequence is .

The first term is .

The  term of the sequence is .

The term of the sequence is .

The common ratio is .

Step 2:

Find the second term by substituting in .

.

Find the third term of the sequence by substituting in .

.

Find the fourth term of the sequence by substituting in .

.

Solution:

The common ratio .

First four terms are and .

answered Feb 17, 2015 by Sammi Mentor

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