Find the linear approximation to the equation $f(x, y) = 4 \ln(x^2 - y)$ at the point $(1, 0, 0)$, and use it to approximate $f(1.1, 0.2)$ f(1.1, 0.2) \approx Make sure your answer is accurate to at least three decimal places, or give an exact answer.
Added by Kristin K.
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The partial derivative of f(x,y) with respect to x is 0, since ln(y) does not depend on x. The partial derivative of f(x,y) with respect to y is 4/y. Show more…
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