Question

please give me the answer of Q no 11. in step by step..
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Answer 1

Given a = -9

b = -6

Now a - b = -9 -(-6) = -3 and

b - a = -6 -(-9) = 3

thus a-b is not equal to b-a

Answer 2

Answer:

a-b= -9-(-6)=-9+6=-3

b-a= -6-(-9)= -6+9=3

therefore a-b is not equal to b-a

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