Question

None of the above
A square matrix in which all the elements above or below the principal diagonal are
zeros and rest are non-zeros is called as
(A) Zero matrix
(B) Scalar matrix
(C) Diagonal matrix
(D) Triangular matrix
An annuity which is payable for ever is called
(A) Annuity perpetual​

Answer 1

Answer:

option C Diagonal Matrix is the correct answer