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A geometric sequence has the following two terms: a4=(375/8) and a7=(46875/64) Write the explicit formula defining...

A geometric sequence has the following two terms: a4=(375/8) and a7=(46875/64)

Write the explicit formula defining the value of the nth term an.

Math   Precalculus   
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Answer #1

Let be the first term and r is common ratio.

...................equation 1

................equation 2

Dividing equation 2 by1

Putting value of r in equation 1

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