Step-by-step Answer
PAGE: 616SET: ExercisesPROBLEM: 48
Please look in your text book for this problem Statement

The summation is .

Common ratio is the base of the exponential function.


Substitute in summation to find the initial term.


is upper bound minus lower bound plus one.

Here .

Formula 1 of partial sum of geometric series: .

Substitute , and in the formula.


Sum of the series is .

Sum of the series is .



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