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If a digonal matrix of order 3x3 is commutative with every square matrix of order 3x3 under multiplication and trace(A)=12 then 1. |A|=64 2. |A|=16 3. |A|=12 4. |A|=0

If a digonal matrix of order 3x3 is commutative with every square matrix of order 3x3 under multiplication and trace(A)=12 then 


1. |A|=64


2. |A|=16


3. |A|=12


4. |A|=0

Grade:

1 Answers

g k
10 Points
11 years ago

leave it.. now its solved ans is |A|=64 1st

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