[2] True or False? If false, find an example to justify. If true, quote a THM to justify. (a) For any two numbers a and b, it is always true that ab-ba. Similarly, for any two matrices A and B, AB=BA these are called commutative properties of multiplication and addition AV (b) For any two numbers a and b, it is always ttue that a+b=b+a. Similarly, for any two matrices A and B, A+B=B+A. (c) For any two non-zero numbers a and b, ab 0. Similarly, for any two non-zero matrixes A and B, AB 0

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