Find the derivative of the function at Po in the direction of A. f(x,y) = -5xy...
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Find the derivative of the function at Po in the direction of A. f(x,y) = -5xy + 4y², Po(7,0), A= -7i+2j (DA) (7,0) (Type an exact answer, using radicals as needed.) Find the derivative of the function at Po in the direction of A. f(x,y) = -5xy + 4y², Po(7,0), A= -7i+2j (DA) (7,0) (Type an exact answer, using radicals as needed.)
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