Matrices and Determinants 1 Question 10

10. If A and B are square matrices of equal degree, then which one is correct among the following?

(a) A+B=B+A

(b) A+B=AB

(c) AB=BA

(d) AB=BA

(1995,2M)

Show Answer

Answer:

Correct Answer: 10. (a)

Solution:

  1. If A and B are square matrices of equal degree, then

A+B=B+A



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