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Mathematics, 07.05.2021 16:20 destinyhope4776
1^2+(1^2+2^2)+(1^2+2^2+3^2)+..….upt o n terms=n(n+1)^2(n+2)/12 by mathematical induction.
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1^2+(1^2+2^2)+(1^2+2^2+3^2)+..….upt o n terms=n(n+1)^2(n+2)/12 by mathematical induction....
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