English, asked by ItzTareCutiePie, 21 days ago

Find du/dr as a total derivative if u = x^2+y^2+z^2, x= e^2t, y = e^2tcos3t, z = e^2tsin3t

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Answered by Anonymous
2

Ur ans dear...❤️

du/dt= 8.e^4t

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