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) $A+B=A-B$

(c) $A-B=B-A$

(d) $A B=B A$

$(1995,2 \mathrm{M})$

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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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