P and Q are matrices such that both (P + Q) and (PQ) are defined. Which of the following is true about P and Q?

A. P and Q can be any matrices but of the same order.

B. P and Q must be square matrices of the same order.

C. P and Q must be square matrices not necessarily of the same order.

D. Order of P and Q must be of the form m × k and k × n respectively, with no condition on m and n.

 

[MCQ] P and Q are matrices such that both (P + Q) and (PQ) are defined - Practice Questions CBSE - Maths Class 12 (2023 Boards)

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Question 2 P and Q are matrices such that both (P + Q) and (PQ) are defined. Which of the following is true about P and Q? A. P and Q can be any matrices but of the same order. B. P and Q must be square matrices of the same order. C. P and Q must be square matrices not necessarily of the same order. D. Order of P and Q must be of the form m × k and k × n respectively, with no condition on m and n.So, correct answer is (B)

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