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Re:Deriviation d/dt(x(t))

• To: mathgroup at smc.vnet.net
• Subject: [mg27439] Re:Deriviation d/dt(x(t))
• From: bghiggins at ucdavis.edu (Brian Higgins)
• Date: Sun, 25 Feb 2001 20:55:43 -0500 (EST)
• Organization: The Math Forum
• References: <97a6up$akb@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Try this:

In[1467]:=D[x[t]^2 + y[t]^2 == 8, t]

Out[148]=2 x[t] x'[t] + 2 y[t] y'[t] == 0

Brian