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How do you find the sum of the series (x + 7)^n / 4^n?

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Consider the following series.
SUM (n =0, infinity) of (x + 7)^n / 4^n

a) Find the values of x for which the series converges. (Enter the smaller number first.)

b) Find the sum of the series for those values of x.

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Solution Summary

The values of x for which a series converges and its sums are found in an attached Word document.

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