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sbrajagopal2690
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- Jul 2, 2013
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need help on this
Show by induction that n^3 <= 3^n for all natural numbers n.
Show by induction that n^3 <= 3^n for all natural numbers n.
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Proof of Inequality by Induction
- Thread starter sbrajagopal2690
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- Feb 7, 2012
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Re: Proof of Inequlity by Induction
Hint: If $n\geqslant 3$ then $(n+1)^3 \leqslant \bigl(n+\frac n3\bigr)^3$.