what is sn formula in mathematics
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Step-by-step explanation:
The sum of the terms of an arithmetic progression gives an arithmetic series. If the starting. value is a and the common difference is d then the sum of the first n terms is. Sn = 1. 2n(2a + (n − 1)d) .
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Answer:
The sum of the terms of an arithmetic progression gives an arithmetic series. If the starting. value is a and the common difference is d then the sum of the first n terms is. Sn = 1. 2n(2a + (n − 1)d)
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