Question: If f (x, y) = y2 - ln xy, find the following. (a) 2f /x2 (b) 2f/yx (c) 2f/xy (d) 2f/y2

If f (x, y) = y2 - ln xy, find the following.
(a) ∂2f /∂x2
(b) ∂2f/∂y∂x
(c) ∂2f/∂x∂y
(d) ∂2f/∂y2

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