Tutorial Week 9

Higher order Partial Derivatives

Q1: Find \(\frac{\partial^2}{\partial x \partial y}(sec(xy) + x^2y^3)\).

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Q2: Find all second-order partial derivatives of \(f(x, y) = x^4sin(y) + xy^2\).

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Q3: List all second-order partial derivatives of \(f(x, y, z)\).

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Implicit functions and Higher order Partial Derivatives

Q4: Find \(\frac{\partial^2 z}{\partial x \partial y}\) if \(x^2yz = sin(x)cos(y)cos(z)\) if z is an implicitly defined function in terms of x and y.

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