# Geometric Series and Sums

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Part A Find a specific geometric that sums up to 30.

Part B Can you find a specific geometric series that sums to -30 ?

Part C Can you find a specific geometric series summing up to - ?

Part D Determine precisely which real numbers can be sums of a geometric series.

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##### Solution Summary

This provides examples of working with geometric series and sums.

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Part A Find a specific geometric that sums up to 30.

Solution

There are two possibilities to determine sum of two geometric series.

Suppose, if we take first term a=2, number of terms 4 and r = 2 then sum

In case of infinite series then

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###### Education

- B.Com, University of Ajmer
- M.Com, University of Ajmer

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