Q2 of 60 Page 21

The sum of the series :


We know logab=logb/loga



We know logmn=nlogm






= [1 + 2 + 3…….n]/2


= n(n + 1)/4

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Let Sn denote the sum of the cubes of first n natural numbers, and sn denote the sum of first n natural numbers. Then write the value of

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