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Grade: 12th pass
        
Let A = {x:x belongs to R, |x|= 1}
and AUB = R-D , then the set D is : – 
  1. {x:1
  2. {x:1
  3. {x:1
  4. none of these
3 months ago

Answers : (1)

Arun
22778 Points
							
Dear Shivansh
 
A={.9999 , ......... , -.99999}
B=(inf,2] U [0,-inf)
hence A U B= {inf,2] U [0,-inf) U {.9999 , ...... , -.9999}
=R-D
hence D must be {1.999 , ......1}
hence the answer is 1
3 months ago
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