# In series 1+2+4+....find the ratio between sum of the 5 terms and sum of the square of the same 5 terms.

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by deeenbe

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by deeenbe

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Sum of terms = 1 + 2 + 4 + 8 + 16 = 31

sum of squares of terms = 1 + 4 + 16 + 64 + 256 = 341

ratio = 31 / 341 = 1 / 11

as it is only 5 terms, i do that directly , without any algebraic formulas.

sum of squares of terms = 1 + 4 + 16 + 64 + 256 = 341

ratio = 31 / 341 = 1 / 11

as it is only 5 terms, i do that directly , without any algebraic formulas.