azbali245 azbali245

20-06-2020
Mathematics

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If the first term of an AP is 'a' and the common difference is 'd', then the sum of n terms of an AP is _______

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InsignificantSike InsignificantSike

20-06-2020

Answer:

If the first term of an AP is 'a' and the common difference is 'd', then the sum of n terms of an AP is

[tex] \frac{n}{2} \times 2a + (n - 1)d[/tex]

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