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Calculate the sum of the geometric series 1 + 1/5^2 + 1/5^4 + .... Express your answer as a common fraction.

 Jun 13, 2021
 #1
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a/(1-r)

a = 1

r = 1/5^2

 

Can you take it from here?

 

=^._.^=

 Jun 13, 2021

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