If A={x/x an odd natural number}
B={x/x is an even natural number}
c={x/x is an odd natural number}
D={x/x is a prime number}
Find AUB,AnB,AUC,AnC,AUD,AnD
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aub= all natural number
and=phi
auc=odd number
and= odd number
aud=composite number
and =3,7,11....
and=phi
auc=odd number
and= odd number
aud=composite number
and =3,7,11....
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