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Cloud [144]
4 years ago
14

PLEASE HELP!! EVALUATEA. 36B. 8C. 24D. 40

Mathematics
1 answer:
Ede4ka [16]4 years ago
8 0

The sum of integers n from n1 to n2 is given by the Gauss formula


\sum_{k=n1}^{n2}k=(n2-n1+1)\frac{n2+n1}{2}

=(8-1+1)\frac{8+1}{2}

=(8)\frac{9}{2}

=36

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