Sequence and Series

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  • hey man the answers are 16 a and b are wrong a is n(n+1) and b is N^2

  • Hi, they are both correct. For a, 0 is the first even integer. If the problem had said first n even positive integers, then what you put would be correct. For b, what I put is the same as what you said, since n + n(n-1)= n^2 + n-n= n^2

The answer is accepted.