Question

Verify that (a+b)+c=a+(b+c) by taking

a = -12, b = -9/11, c = 7/-12​

Answer 1

Answer:

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Answer 2

Refer the above attachment..

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in this question you simply put the value of a ,b and c but be careful in the case of bracket.. and your answer will automatically come..

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hope it will help u..