Given z1, z2 E C, define the distance between z1 and z2 by setting: d(z1, z2) := |21 – 22| . Prove the validity of the following properties: (i) d(z1, z2) > 0 for every z1, z2 E C, and d(z1, 22) = 0 if and only if z1 = 2. (ii) d(z1, z2) = d(z2, z1) for every z1, 22 E C. (iii) d(z1, z2) < d(z1, 23) + d(z3, 22) for every z1, 22, 23 E C.
Given z1, z2 E C, define the distance between z1 and z2 by setting: d(z1, z2) := |21 – 22| . Prove the validity of the following properties: (i) d(z1, z2) > 0 for every z1, z2 E C, and d(z1, 22) = 0 if and only if z1 = 2. (ii) d(z1, z2) = d(z2, z1) for every z1, 22 E C. (iii) d(z1, z2) < d(z1, 23) + d(z3, 22) for every z1, 22, 23 E C.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.7: Applied Problems
Problem 58E
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