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Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.5: The Binomial Theorem
Problem 15E
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Question
Determine whether the matrix is symmetric, orthogonal, both, or neither.
Expert Solution
Step 1
The given matrix is
We have to check whether given matrix is symmetric, orthogonal or not.
Step 2
The matrix A is symmetric if .
The matrix A is an orthogonal, if .
We have
Now, the transpose of the matrix A is
This implies A is not symmetric.
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