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11TH · MATH

Question 2

menu_bookSolutionmenu_bookTheorymenu_book•(i)12−22+32−42+⋯+(2n−1)2−(2n)21^2 - 2^2 + 3^2 - 4^2 + \cdots + (2n-1)^2 - (2n)^212−22+32−42+⋯+(2n−1)2−(2n)2menu_book•(ii)121+12+222+12+22+323+⋯\dfrac{1^2}{1} + \dfrac{1^2 + 2^2}{2} + \dfrac{1^2 + 2^2 + 3^2}{3} + \cdots112​+212+22​+312+22+32​+⋯to $n$ terms
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school

11TH · MATH

Question 2

menu_bookSolutionmenu_bookTheorymenu_book•(i)12−22+32−42+⋯+(2n−1)2−(2n)21^2 - 2^2 + 3^2 - 4^2 + \cdots + (2n-1)^2 - (2n)^212−22+32−42+⋯+(2n−1)2−(2n)2menu_book•(ii)121+12+222+12+22+323+⋯\dfrac{1^2}{1} + \dfrac{1^2 + 2^2}{2} + \dfrac{1^2 + 2^2 + 3^2}{3} + \cdots112​+212+22​+312+22+32​+⋯to $n$ terms
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Accedmychevron_right11thchevron_rightmathchevron_rightSequences And Serieschevron_rightExercise 6.10

( \dfrac{n(4n^2 + 15n + 17)}{36} )

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