Question

If
A={x:x is a natural
number}, B {x:x is
natural number,
{ x:x is odd natural
number} then find Au(BOC) and
An (BUC)?
A - {3,6,9,12,15,18,21}
B = {4,18,12 ,16,20}
c = {2,4,6,8,10,12,14,16}
D={5, 10,15, 20}
then findi) A-B (ii) A-C
(3 ) A-D (IV) B-A​

Answer 1

Answer:

A-C={3,9,15,18,21}

A-D={3,6,9,12,18,21}

A-B={3,6,9,15,18,21}

B-A={4,8,16,20}