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Mathematics, 26.03.2020 20:07 lilly8492
The sum of the first n whole numbers is given by the expression −1 (n2 + n). Expand the equation by2multiplying, then find the sum of the first 12 whole numbers.
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The sum of the first n whole numbers is given by the expression −1 (n2 + n). Expand the equation by2...
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