Math, asked by Priyankaswain03198, 10 months ago

31^2+52^2+73^2+.......+(2n+1)n^2/1+(1
+2)+......(1+2+3....+n)=3n^2+5n+1/n+2 prove.

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Answered by hazikkhan789

0

5988 ut 45565435676445

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