A square matrix A of order mxn is called an upper triangular matrix if aij = o for all

by
Question:

A square matrix A of order mxn is called an upper triangular matrix if aij = o for all

A.

i > j

B.

i < j

C.

i = j

D.

all of the above

Answer» a. i > j

Note: The above multiple-choice question is for all general and Competitive Exams in India.