19.
4
5
Verify the property: x x y = y x x
-3
(a) x = 7 and y =
(b)x=
5
-2
and y
7
2
9
Answers
Answered by
0
Answer:
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Answered by
0
Step-by-step explanation:
property => x.y = y.x
a) 7x(-3) = (-3)x7 = -21
b)
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