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Old October 31st, 2009, 10:37 AM
liranoren liranoren is offline
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Default Substitution of variables in Mathematica

I have the expression:
(cx^2-c^3t^2)/6

For which I am trying to substitute
ct/x -> nu

To get
cx^2(1-nu^2)/6

Can easily do this by hand, but how would you do this in Mathematica?
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