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If A and B are subsets of a set X, then ...

If A and B are subsets of a set X, then what is `{A nn (X-B)} uu B` equal to?

A

` A uu B`

B

` A nn B `

C

` A `

D

` B `

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • If A and B be subsets of a set X . Then

    A
    `(A)/(B)=AuuB`
    B
    `(A)/(B)=AnnB`
    C
    `(A)/(B)=A'nnB`
    D
    `(A)/(B)=AnnB'`

  • If A and B are two subsets of a set X, then what is Ann(AuuB) ' equal to?

    A
    A
    B
    B
    C
    `phi`
    D
    A'

  • If A and B are subsets of a set X, then what is the value of {A cap (X-B)} cup B ?

    A
    `A cup B`
    B
    `A cap B`
    C
    A
    D
    B

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