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Mathematics, 23.11.2021 01:00 ella3714

A formula for determining the finite sum, of an arithmetic sequence of numbers is S=n/2(a+b), where n is the number of terms, a is the first term, and b is the last term. Express b in terms of a, s, and n.

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A formula for determining the finite sum, of an arithmetic sequence of numbers is S=n/2(a+b), where...
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