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What is the value of |3I3|, where I3 is the identity matrix of order 3?

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What is the value of |3I3|, where I3 is the identity matrix of order 3?

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The given matrix is of order 3 x 3, therefore |3I3| = 33|I3| = 27 |I3| = 27 x 1 = 27 

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