A square matrix `(a_(ij))` where `a_(ij)=0` for `i!=j` and `a_(ij)=k` (constant) for `i=j` is called

A square matrix A=[a_(ij)] in which a_(ij)=0 for i!=j and [a]_(ij)=k (constant) for i=j is called a

A square matrix A=[a_(ij)] in which a_(ij)=0 for i!=j and [a]_(ij)=k (constant) for i=j is called a (A) unit matrix (B) scalar matrix (C) null matrix (D) diagonal matrix

A square matrix [A_(ij)] such that a_(ij)=0 for I ne j and a_(ij)=k where k is a constant for i=j is called.

A square matrix [a_(ij)] such that a_(ij)=0 for i ne j and a_(ij) = k where k is a constant for i = j is called :

A square matrix [a_(ij)] such that a_(ij)=0 for i ne j and a_(ij) = k where k is a constant for i = j is called _____

Construct a matrix [a_(ij)]_(2xx2) where a_(ij)=i+2j

Construct a 3xx4 matrix [a_(ij)] , where a_(ij)=2i-j .

Construct the matrix [a_(ij)]_(2xx3) where a_(ij)=|i-j| .

A 2xx2 matrix A = [a_(ij)] , where a_(ij) = (i+j)^2 is