Asked by Chan

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

Answers

Answered by bobpursley
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.
Answered by Zaim
0.1
0.2
0.3
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0.6
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0.9
There all work
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