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**juan****Guest**

Which one is greater

OR**bob bundy****Moderator**- Registered: 2010-06-20
- Posts: 7,651

hi juan

If a^2 > b^2 then a > b provided you stick to positive numbers.

So take each expression and square it.

You will be left with terms that still have a square root.

Simplify and square again.

At this stage you can make a direct comparison to determine which is bigger.

If you take a look at post 14 on the thread

http://www.mathisfunforum.com/viewtopic.php?id=18016

you see a similar example.

Bob

Children are not defined by school ...........The Fonz

You cannot teach a man anything; you can only help him find it within himself..........Galileo Galilei

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**juan****Guest**

Thanks Bobbundy Got it

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