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use the information given to identify the a9 term of the geometric sequence:

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use the information given to identify the a9 term of the geometric sequence: image

asked Jun 10, 2014 in PRECALCULUS by bilqis Pupil
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image, r  = 2

In geometric sequence common ratio is r  .

image

To find first term of this sequence substitute a ₂, r in above formula.

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Formula for n th term in geometric sequence image

In this case n  = 9

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answered Jun 10, 2014 by david Expert

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