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OCW Scholar - Multivariable Calculus 20 Online
OpenStudy (anonymous):

Hey there, in session 33 . The chain rule problem question regarding the dx/dt. Where t=1. How is the answer equal to 2 for this (cos(2t) − 2t sin(2t)) at t=1?

OpenStudy (anonymous):

That is the second question where x = t2, y = t3.

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