Use Taylor's formula to find the requested approximation of 
near the origin.Quadratic approximation to 
A. 1 - 2x - 12y + 3x2 + 36xy + 108y2
B. 1 - 2x - 12y + 3x2 - 36xy + 108y2
C. 1 + 2x + 12y + 3x2 - 36xy + 108y2
D. 1 + 2x + 12y + 3x2 + 36xy + 108y2
Answer: A
Mathematics
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