If A and B are finite sets, such that A...

If A and B are finite sets, such that `A sub B`, then `n(A uu B)` is equal to `"………"`

A

`phi`

B

B

C

A

D

none of these

Text Solution

Verified by Experts

The correct Answer is:

B

we have ,
`A cup B = A implies B subA implies A capB=B`

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