Math, asked by kulkarnisoham00112, 1 year ago

Find the sum of the given

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Answered by ItSdHrUvSiNgH

3

Step-by-step explanation:

$limit \: r = 1.....r = n \\ \\ (r + 1)(2r - 1) \\ (2)(1) + (3)(3) + (4)(7).......(n + 1)(2n - 1)$

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