Mathematics, 18.03.2021 03:00 jaydaxox15

Proved that the sum to N terms of the arithmetic series whose first term is A common difference is D is given by Sn=

$\frac{n}{2} (2a + (n - 1) \times d)$

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Proved that the sum to N terms of the arithmetic series whose first term is A common difference is D is given by Sn=​

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Proved that the sum to N terms of the arithmetic series whose first term is A common difference is D is given by Sn=