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Mathematica 4.0 features

• To: mathgroup at smc.vnet.net
• Subject: [mg31422] Mathematica 4.0 features
• From: "DinCo" <vladimir.oletic at ck.hinet.hr>
• Date: Sat, 3 Nov 2001 05:29:33 -0500 (EST)
• Sender: owner-wri-mathgroup at wolfram.com

Does Mathematica (version 4.0 or higher) have an ability to do the
calculations with symbols and to do just selected operations -for an example
just to simplify (reduce) the algebric expressions and at the same time to
show all the steps that have been made (look at the example)?

     a^3b - ab^3              ab(a^2 - b^2)       (a - b)(a +b)     a + b
--------------------- = ---------------------- = --------------- = -------
a^3b - 2a^2b^2 + ab^3      ab(a^2 - 2ab + b^2)     (a - b)^2        a - b