Prove- 12-22-32-n2 - n33

Prove that 1^2+2^2+... #8230;+n^2 gt; n^33, n∈ N Let P(n): 1^2+2^2+.....+n^2 gt; n^33, n∈ N For n=1 L.H.S =1^2=1 R.H.S =1^33=13 s ...

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Prove: 12+2...

Question

Prove: $1^{2} + 2^{2} + 3^{2} + . . . . . . . . . n^{2} > \frac{n^{3}}{3}$

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