Question: For the data points (a) determine the best plane z = a + bx + cy which fits the data in the least squares sense;

For the data points

(a) determine the best plane z = a + bx + cy which fits the data in the least squares sense;
(b) how would you answer the question in part (a) if the plane is constrained to go through the point x = 2, y = 2, z = 0?

Z 3 6-2 0 3

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