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Student Support Forum: 'How to "cut" and "paste" an expression?' topicStudent Support Forum > General > Archives > "How to "cut" and "paste" an expression?"

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Shue-Cheng CHEN
06/02/97 04:33am

Dear Sirs, If there is an expression x^2 - 2x + 1 + 2 Sin[x] Cos[x]
expr = -------------------------------- x^3 - 3 x^2 + 3 x - 1 How
do I ''cut'' this expression into three parts: x^2 - 2x + 1, 2 Sin[x]
Cos[x], x^3 - 3 x^2 + 3 x - 1 And after I simplify each of them, how
do I ''paste'' them to the original expression, which finally becomes
(x-1)^2 + Sin[2 x] expr = -------------------- (x-1)^3 Mathematica
should have elegant ways to do it. Thank you so much. Best Regards,
Shue-Cheng CHEN


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