Question #22429

A Matrix is a .....
(A) Square array of numbers arranged in rows and columns.
(B) Rectangular array of numbers arranged in rows and columns.
(C) Triangular array of numbers arranged in rows and columns.
(D) Circular array of numbers arranged in rows and columns.

Expert's answer

Right answer is B. Matrix is rectangular array of numbers in general case. In particular, it can be square.

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