Posted by **Chan** on Monday, August 4, 2008 at 11:28am.

For what positive numbers will the square of a number exceed twice the number?

- calculus -
**bobpursley**, Monday, August 4, 2008 at 5:10pm
n^2>2n

n^2-2n>0

n(n-2)>0

So, n must be 3 or greater for the second term to be positive. If it is not positive, the inequality is not true.

- calculus -
**Zaim**, Wednesday, March 30, 2016 at 4:18am
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There all work

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