sum of the series 3-1+1/3-1/9+..... is equal to
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3 - 1 + 1/3 - 1/9 + 1/27 - 1/81 + 1/243 + n = 20/9
kirtiprasanjenpchfhd:
wrong....
ok prove how many sequences you use
see the solution..
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hope it helps u ......
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