SOLUTION: Find the value(s)of b for which Z = |6 −b −4 | is singular b 0 1 1 −2 1 i trie

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Question 1055330: Find the value(s)of b for which Z = |6 −b −4 | is singular
b 0 1
1 −2 1

i tried and got until -b2 + 9b -11
please help show me the steps of your answer

Answer by ikleyn(53763) About Me  (Show Source):
You can put this solution on YOUR website!
.
I just solved it under the link
https://www.algebra.com/algebra/homework/Matrices-and-determiminant/Matrices-and-determiminant.faq.question.1055331.html

https://www.algebra.com/algebra/homework/Matrices-and-determiminant/Matrices-and-determiminant.faq.question.1055331.html