Q. 17 B4.7( 4 Votes )

Give an example o

Answer :

We know that a diagonal matrix has only a11, a22 and a33 for a 3×3 matrix such that these elements are equal or different and all other entries 0 while scalar matrix has a11 = a22 = a33 = k(say). So, a diagonal matrix which is not scalar must have a11a22a33 for i≠j

Required matrix =

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