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Find the sum of the series if possible, if not possible explain why: 1+(−2/5)+(−2/5)^2+(−2/5)^3+⋯

Find the sum of the series if possible, if not possible explain why: 1+(−2/5)+(−2/5)^2+(−2/5)^3+⋯
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Find the sum of the series if possible, if not possible explain why:

1+(−2/5)+(−2/5)^2+(−2/5)^3+⋯

Find the sum of the series if possible, if not possible explain why: 1+(−2/5)+(−2/5)^2+(−2/5)^3+⋯-example-1
User Jthg
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1 Answer

7 votes

Answer:

Explanation:

5/7

Sum of a geometric series is a/(1-r) = 1/(1-(-2/5)) = 5/7

User Karol
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