Math, asked by harikishangrover77, 10 months ago

1.4.7 +2.5.8 +3.6.9 +....+n(n+3)(n+6) =n/4 (n+1) (n+6) (n+7) class 11 chapter 4

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Answered by guthikondakovipcr9zl

7

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hello mate

her your answer

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