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Given the series: 2(5)5 + 2(5)4 + 2(5)3 + ... Show that this series converges.
in Grade 12 Questions by Diamond (50,454 points) | 17 views

1 Answer

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common ratio= 2x5^4/2x5^5 =  0.2

          hence   -1<r<1 , therefore converges.
by Diamond (38,804 points)

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