Verify inequalities (3), Sec. 4, involving Re z, Imz, and |z|. |z1 + z2| |z1| +
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|z1 + z2| ≤ |z1| + |z2|.
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Related Book For
Complex Variables and Applications
ISBN: 978-0073051949
8th edition
Authors: James Brown, Ruel Churchill
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