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If n(A)=8 and n(B)=6 and the sets A and ...

If `n(A)=8` and `n(B)=6` and the sets A and B are disjoint, then find `n(AcupB)`.

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Given, `n(A)=B` and `n(B)=6,A` and B are disjoint
`rArr AcapB=phirArrn(AcapB)=0`.
`therefore n(AcupB)=n(A)+n(B)-n(AcapB)=8+6-0=14`.
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