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If (aTT) A c B then (aa) An B (c) A x B (d) None (a) A (b) B (a) A x B (c) B b) A (d) None 3. If (3HTR) n(A) 5 then n (PCA)] (a) 25 b) 24 (c) 31 (d) 32 4h then n(A x B) (a) 6 (b) 2 (d) None

Answer» 1)`AsubsetB`
`AnnB=A`
2)`AnnB=A`
`AuuB=B`
3)`n(A)=5,n(P(A))`
A is set
P(A) is power set.
`nP(A)=2^(n(A))`
`=2^5=32`
4)A={3,4},B={1.2.3.4}
n(A)=2,n(B)=4
A*B=2*4=8.


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