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Simplify

• To: mathgroup at smc.vnet.net
• Subject: [mg14780] Simplify
• From: Jurgen Tischer <jtischer at col2.telecom.com.co>
• Date: Sat, 14 Nov 1998 03:08:09 -0500
• Organization: Universidad del Valle
• Sender: owner-wri-mathgroup at wolfram.com

Could someone tell me please how to simplify the following formula?

(-7253*2^(1 + 2*n)*5^n - 523*4^n*5^(1 + n) + 17121*20^n + 
    130321*20^n*n^4)/130321

To my surprise when I changed by hand (with two rules) the powers of 2,
5 and so on to powers of 20, Mathematica changed them back to this
form.

Thanks

Jurgen