Let f(x, y) x sin(x y) Find its partial derivatives fx and fy fx 2x cos(x y) sin(x y), fy 2xy cos(x y) fx fy 0 fx 2x, fy 2y fx fy cos(x y)

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Question: Let f(x, y) = x sin(x - y). Find its partial derivatives fx and fy. fx = 2x cos(x - y) + sin(x - y),

Let f(x, y) = x sin(x² - y²). Find its partial

Let f(x, y) = x sin(x² - y²). Find its partial derivatives fx and fy. fx = 2x² cos(x² - y²) + sin(x² - y²), fy = -2xy cos(x² - y²) fx = fy = 0 fx = 2x, fy = -2y fx = fy = cos(x² - y²)

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