Math, asked by Naitik5206, 10 months ago

The sum of the series 1 -3 + 5- 7 + 9 - 11 + ... to n terms is (a) - n, when n is even (b) 2n, when n is even (c) -n, when n is odd (d) 2n, when n is odd

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Answered by avinash0303

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The sum of the series 1 -3 + 5- 7 + 9 - 11 + ... to n terms is

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