Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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![**Question**
Let
\[ z_1 = \begin{bmatrix} \frac{1+i}{2} \\ \frac{1-i}{2} \end{bmatrix} \]
and
\[ z_2 = \begin{bmatrix} \frac{i}{\sqrt{2}} \\ \frac{-1}{\sqrt{2}} \end{bmatrix} \]
(a) Show that \(\{ z_1, z_2 \}\) is an orthonormal set in \(\mathbb{C}^2\).
(b) Write the vector
\[ z = \begin{bmatrix} 2 + 4i \\ -2i \end{bmatrix} \]
as a linear combination of \(z_1\) and \(z_2\).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3fdbb1a7-d573-479c-8d2a-d1c6b6fb9ae3%2Fe737d6c1-f63d-460f-9637-bf6874d897ea%2Fofjnric_processed.png&w=3840&q=75)
Transcribed Image Text:**Question**
Let
\[ z_1 = \begin{bmatrix} \frac{1+i}{2} \\ \frac{1-i}{2} \end{bmatrix} \]
and
\[ z_2 = \begin{bmatrix} \frac{i}{\sqrt{2}} \\ \frac{-1}{\sqrt{2}} \end{bmatrix} \]
(a) Show that \(\{ z_1, z_2 \}\) is an orthonormal set in \(\mathbb{C}^2\).
(b) Write the vector
\[ z = \begin{bmatrix} 2 + 4i \\ -2i \end{bmatrix} \]
as a linear combination of \(z_1\) and \(z_2\).
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