Suppose z = a+ bi, w = u + iv, and

Advanced Engineering Mathematics
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Exercise 1.10 Suppose z = a + bi, w = u+ iv, and
1/2
b =
|w|
a =
Prove that z2 = w if v > 0 and that (z)² = w if v < 0. Conclude that every
complex number (with one exception) has two complex square roots.
Transcribed Image Text:Exercise 1.10 Suppose z = a + bi, w = u+ iv, and 1/2 b = |w| a = Prove that z2 = w if v > 0 and that (z)² = w if v < 0. Conclude that every complex number (with one exception) has two complex square roots.
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