**Show that x2 is not O(x*log(x))**

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$f(x)=O(g(x))$ if there exists a positive real number M and a real number x0 such that

$|f(x)|\le Cg(x)$ for all $x\ge x_0$

$|x^2|>xlogx$ for positive integers.

So. x2 is not O(x*log(x)).

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