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Let z = 3 – 4i and w = -1+ 2i be in C. (a) Write z + w, zw, and in the form a + bi with a, b e R. (b) Find Re(z), Im(z), z, and |z|.

Let z = 3 – 4i and w = -1+ 2i be in C. (a) Write z + w, zw, and in the form a + bi with a, b e R. (b) Find Re(z), Im(z), z, and |z|.

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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1. Let z = 3 – 4i and w = -1+ 2i be in C. (a) Write z + w, zw, and 2 in the form a + bi with a, b e R. (b) Find Re(z), Im(2), z, and |2|.-
Transcribed Image Text:1. Let z = 3 – 4i and w = -1+ 2i be in C. (a) Write z + w, zw, and 2 in the form a + bi with a, b e R. (b) Find Re(z), Im(2), z, and |2|.-
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