Express the sum of the first terms of this sequence:
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The sum of the first n terms is For instance, sum of first term, n=1: Sum of first 2 terms: Sum of first 5 terms: The terms are
Originally Posted by galactus The sum of the first n terms is For instance, sum of first term, n=1: Sum of first 2 terms: Sum of first 5 terms: The terms are Are you sure? For when n=3, ans=7 ?? Don't you mean... *Edit: Oh! Sorry...you got it right at the first sentance.. >_<
Good work, Galactus! Here's my book's solution . . . The term is: . The sum is: . . . . .
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