 Solution

ID: past-exam-of-the-year-1-of-the-computer-science-course-of-the-university-of-oxford/2014/discrete-mathematics-continuous-mathematics-and-probability/6/b/i/solution

f_{x} f_{xx} = 3 x^{2} + 2 x + 2 α y + 2 α, = 6 x + 2, f_{y} f_{x y} = 2 αx + 2 y + 2, = 2 α, f_{yy} = 2.

The last printed derivative has a misplaced superscript on

f

f_{yy}

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