Find all points where the function has any relative extrema or saddle points and identify the type of relative extremum.f(x,y) = x2 + xy + y2 - 3x + 2
A. Relative minimum at (2, -1)
B. Relative maximum at (2, -1) and saddle point at (0, 0)
C. Relative maximum at (-2, 1)
D. Relative minimum at (2, -1) and saddle point at (0, 0)
Answer: A
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