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If A=(x : x=4n+1,nle5,n in N} and B={3n ...

If `A=(x : x=4n+1,nle5,n in N}` and `B={3n : n le 8, n in N}`, then find `(A-(A-B))`.

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The correct Answer is:
`{9,21}`
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RESONANCE-FUNDAMENTAL OF MATHEMATICS-Exercise
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  2. Let U={1,2,3,4,5,6,7,8,9,10}, A={1,2,5}, B=(6,7}, then show that AnnB'...

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  5. Let n(U)=700, n(A)=200,n(B)=300 and n(AnnB)=100, then find n(A'nnB')

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