Maths

Sum the series 1 + 3 – 5 + 7 + 9 – 11 + 13 + 15 – 17 …… to 3n terms.

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Toys CoachTV
Oct. 15, 2019, 3:41 p.m.

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Dilip Choudhary
Oct. 17, 2019, 10:02 p.m.
0 for 3n terms
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