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Consider the function f(x,y) = xe^((x^2)-(y^2)) (a) Find f(1,−1), fx(1,−1), fy(1,−1). Use these values to find...

Consider the function f(x,y) = xe^((x^2)-(y^2))

(a) Find f(1,−1), fx(1,−1), fy(1,−1). Use these values to find a linear approximation for f (1.1, −0.9).

(b) Find fxx(1, −1), fxy(1, −1), fyy(1, −1). Use these values to find a quadratic approximation for f(1.1,−0.9).

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