Let $f(x, y) = 3 - x^2 + xy - 2y^2$. (a) Find $f_x(2, 6)$ and $f_y(2, 6)$. $f_x(2, 6) =$ $f_y(2, 6) =$ Enter an exact number.
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f(2,6) = 3 - 2 + (2)(6) - 2(6)^2 f(2,6) = 3 - 2 + 12 - 72 f(2,6) = -59 Show more…
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