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|.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.3: Eigenvalues And Eigenvectors Of N X N Matrices
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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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