By factoring z4 4z2 + 3 into two quadratic factors and using inequality (8), Sec. 4, show
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z4 - 422 + 3 3 VI
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First write z 4 4z 2 3 z 2 1 z 2 3 The...View the full answer
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Complex Variables and Applications
ISBN: 978-0073051949
8th edition
Authors: James Brown, Ruel Churchill
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