Let w = x*y cos(3z). Find the following. (a) (x, y, z) = (b) (x, y, z) = (c) (x, y, z) = (d) (3, y, z) = (e) (3,7, z) = ду (f) (3,7,0) = az

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A: Solution

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A: Topic:- derivatives

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A: See the attachment.

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