Question: (a) Decide whether the following relation is a function: consider all points in the plane that satisfy that the sum of the distances to two

(a) Decide whether the following relation is a function: consider all points in the plane that satisfy that the sum of the distances to two distinct fixed points is constant. ( 1, y) ER2 : d " , P + d 2 ,Q - const where P, Q E R2. Choose P = (1, 0) and Q = (-1, 0) and the constant as 2, and proceed with this exercise

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