Question

If B is a matrix of order 3 x 3 , then find the value of |BB-1 |​

Answer 1

Answer:

We know that,

If A is an nxn square matrix then, Value of 13A| = 3^n |A|

Now, here A is 3 by 3 matrix,

=13AI

= 3^3 IAI

=27*4

=108

162

4.0

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Step-by-step explanation:

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