Question

Use the Chain Rule to find the indicated partial derivatives. u =sqrt( r^2 + s^2) ,...

Use the Chain Rule to find the indicated partial derivatives. u =sqrt( r^2 + s^2) , r = y + x cos(t), s = x + y sin(t)

∂u ∂x , ∂u ∂y , ∂u ∂t when x = 1, y = 4, t = 0

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