題組內容

3. (10 points) Let f(x) =6327cf945d712.jpgbe the inverse function of f. A curve C satisfies the equation 2x2y + xy2 = 8. Find a point (a, b) such that

(iii) the tangent line to the graph of g at (a, b) is perpendicular to the tangent line to the curve C at (1,2)