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If A and B are two sets, then A nn (A uu...

If A and B are two sets, then `A nn (A uu B)` equals

A

A

B

B

C

`phi`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
By Venn diagram,

It is clear that `Ann(AuuB)=A`
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Knowledge Check

  • If X and Y are two sets, then X nn (X uuY) equals:

    A
    X
    B
    Y
    C
    `phi`
    D
    `X uu Y`

  • If A and B are any two sets, then A uu (A nn B) is equal to

    A
    A
    B
    B
    C
    `A^c`
    D
    `B^c`

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