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fleurdelisse
- Senior | Next Rank: 100 Posts
- Posts: 44
- Joined: Tue Feb 03, 2009 2:01 am
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What's the rule about sqrt(x+y) being greater or less than sqrt(x)+sqrt(y)
And what about sqrt(x-y), is it greater or less than sqrt(x)-sqrt(y).
Is there a general rule about it?
And what about sqrt(x-y), is it greater or less than sqrt(x)-sqrt(y).
Is there a general rule about it?
