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3. This is part of Dakarai's homework.
Use a counter-example to show that
these statements are not
always true.
a 3x2 = (3x)2
b (-y)2 = -y?
C 2(a + b) = 2a + b
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i was in need of points so
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i am so sorry for not answering your question
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a)Put x as 2 then 3 X 2^2=3x2^2
=3x4=6^2
12=36
b) Put y as 7
(-7)^2 =-(7)^2
=49=-49
c) Put a as 5 and b as 3 then 2 (5+3) is 2X8 =16
2a+b =2*5+3=13
16=13
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