2 -6] The matrix -5 k is invertible if and only if k + #☐

Elementary Linear Algebra (MindTap Course List)
8th Edition
ISBN:9781305658004
Author:Ron Larson
Publisher:Ron Larson
Chapter2: Matrices
Section2.CR: Review Exercises
Problem 40CR
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Question
The matrix
2
-
-6]
is invertible if and only if k
±
-5
k
Transcribed Image Text:The matrix 2 - -6] is invertible if and only if k ± -5 k
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