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Simplifying in Mathematica

• To: mathgroup at smc.vnet.net
• Subject: [mg71106] Simplifying in Mathematica
• From: 330006 at gmail.com
• Date: Wed, 8 Nov 2006 06:15:59 -0500 (EST)

I have a function which is a sum of many terms which look like this:

(2*(B-b)^2 - 2*(A-a)*c*d^2)/(4*b^2*(1-c*2)*d^2)

I think the function is actually equal to 0, but I have a hard time in
trying to simplify it in Mathematica. Any ideas or commands I should
try? Any suggestions in general about simplifying formulas will also
be greatly appreciated!

Thanks a lot!