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2015-07-26T11:56:54+05:30
A=Ф
There is no number whose absolute value is a negative number.
2 5 2
pls clear the answer
The answer is given such that a number x whose absolute integral value is -1. It cannot be -ve, so it's a null set.If it was +ve,then the solution set was :{1,-1}n(A)=2