1. If A = {3, 4, 5} and B = {5, 6, 7, 8} then find (i) A U B, (ii) An B, (iii) A – B and (iv) B – A, andalso verify the following.(a) AUB = BUA (b) AB=BA (c) AUA = A(d) AuØ = A(e) An A = A(f) A = 0
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Answer:
1) 3,4 5,6,7,8
2) 5
3)3,4
4) 6,7,8
a) yes
b) yes
c) yes
d) yes
e) yes
f) nope