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For sets (A cup B) cup ( A cap B)equals...

For sets `(A cup B) cup ( A cap B)`equals

A

A'

B

B'

C

A

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
D
`(A cup B) cup (A cap B)`
`=(A cap B)cup (A cap B) `
`=(A' cup A')cap (A' cup B) cap (B' cup A')cap (B' cup B)`
`A' cap { A' cup (B cap B'} cap U `
`=A' cap { A' phi } cap U`
`=A' cap A' cap U`
`=A' cap U=A '`
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CENGAGE-SET THEORY AND REAL NUMBER SYSTEM -Exercises
  1. If a N = { ax : x in N} then the set 4N cap 6N is

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  2. The set (A cap B')cup (B cap C) equals

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  3. For sets (A cup B) cup ( A cap B)equals

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  4. The set (A cap B')cup (B cap C) equals

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  5. The shaded region in the given figure is

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  6. Which is the simplified representation of (A' cap B' cap C) cup (B cap...

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  7. In statistical survey of 1003 families has neither a radio nor a TV, 7...

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  8. A survey shows that 63 % of the pepole watch a news channel whereas , ...

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  9. In a town of 10,000 families it was found that 40% family buy newspape...

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  10. Complete solution set of inequlaity ((x+2)(x+3))/((x-2)(x-3))le1

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  11. The number of intergal values of x if 5x -1 lt (x+1)^2 lt 7 x-3 is

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  12. If set A ={x|(x^2(x-5)(2x-1))/((5x+1)(x+2)) lt 0 } and Set B={x|(3x...

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  13. Number of intergers satisfying the inequality x^4- 29x^2+100 le 0 i...

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  14. If n gt 0 and exactly 15 integers satisfying (x+6)(x-4 ) (x-5) (2x-...

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  15. The set of all x satisying the inequility (4x-1)/(3x+1) ge 1 is

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  16. The complete solution set of inequality ((x-5)^(1005)(x+8)^(1008)(x-1)...

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  17. Sum of solution of the equation |x|^3-4|x|^2+3|x|=0 is

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  18. Number of intergral roots of |x-1||x^2-2|=2 is

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  19. The solution set of the inequlity (|x-2|-x)/(x)lt2 is

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  20. Number of solutions of the equation |2-|x||=x +4 is

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