Question: If find (a) A - B (b) B - A (c) 2(A + B) -2 -1 A = 4 1 and B 7 3, -4

If

-2 -1 A = 4 1 and B 7 3, -4 -2/ 3.

find

(a) A - B

(b) B - A

(c) 2(A + B)

-2 -1 A = 4 1 and B 7 3, -4 -2/ 3.

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