Question

6) For a matrix to be scalar
matrix, first it has to be

O Identity matrix
O Vector matrix
O Tensor matrix
O Diagonal matrix​

Answer 1

Answer:

The first one is that a square matrix whose principal diagonal elements are some nonzero scalar is called scalar matrix. ... But the second is slightly different which says a square matrix whose diagonal elements all contain the same scalar.

Answer 2

Answer:

Diagonal matrix

Option D

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