Question: Partial derivative 9. Let f be a differentiable function of one variable, and w = f(2x2 + 3xy). i) Verify that the function w satisfies

Partial derivative

9. Let f be a differentiable function of one variable, and w = f(2x2 + 3xy). i) Verify that the function w satisfies the equation (4x + 3y) Wy - 3xWx = 0. ii) If f(u) = sin u, calculate Wry

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