Math, asked by sasisarva208, 7 months ago

If A and B are square matrix of order 3
such that |A|=-I and|B|=3 find |3AB|

Answers

Answered by ezaetdestroyer

2

Answer:

Step-by-step explanation

|3AB|=3³|A||B|

=27*-1*3

=-81

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