I have this calculus question question which has caused me some trouble:
Where f is diffentiable
I need to show that
How do I show that?
Is it by using the chain rule ?
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Yes, use the chain rule. For example, partial d/dx of f(x^2-y^2) is f'(x^2-y^2) times partial d/dx of (x^2 - y^2). Here f' denotes the derivative of f as a function of a single variable.
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