LidiaCollingswort522 LidiaCollingswort522

24-07-2014
Mathematics

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if x=at^3 and y=bt^2 then find dy/dx

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Аноним Аноним

27-07-2014

dy/dx = (dy/dt) / (dx/dt)

dy/dt = 2bt

dx/dt = 3at^2

therefore dy/dx = 2bt/3at^2
dy/dx = 2b/3at

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