Question: I have a function f: R 2 R f ( x , y ) = 4 5 x 2 y 4 1 x 2 y

I have a function f:R2R

f(x,y)=45x2y41x2y2+1

a) Decide what kind the approximated 2. polynomialP2 is in the point A=(0,-1)

b) illustrate

c) What is the biggest failure, if I use P2 instead of f on the square, that is bounded of the lines:

x=101,x=101,y=1011,y=109

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