Question: 1. Explain the geometrical meaning of the relations given in problems. (a) z - zol < R, |2 - zol > R, |z -

1. Explain the geometrical meaning of the relations given in problems. (a)

1. Explain the geometrical meaning of the relations given in problems. (a) z - zol < R, |2 - zol > R, |z - zol = R. (b) |z 2| + |z + 2| = 5. Ans: An ellipse with foci at the points z = +2 and major semi-axis 5/2. (c) 2 - 21 = |z - z2l. (d) Rez > m (e) Rez + Imz < 1. (f) Arg z = 0. (g) -T < Arg z < T. (h) < Arg z < . (i) 1 < |2| < 3.

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