Question

EXERCISE 6C
A = (2,4,6,8), B = 16, 8, 10, 12) and C = 17, 8, 9, 10). Find :
AUB (ii) AUC (ii) Buc (0) AnB (1) Anc
Tet P = 1:3 is a factor of 18) and Q = (x:x is a factor of 24).
(ul) Brc
(1) Write each one of P and Q in Roster form.,
(ii) Find : (a) PUQ
(6) Pro
Cot A = {a,b,cl, B = 1b, d, e) and C = le.f. g), verify that:
(1) AUB=BUA
(ii) (AUB) UC=AB UC)
(iii) AB=BA
(iv) (
AB) C=ABC)
4. Let A = (x:x is a multiple of 2, < 15),
B = (x:x is a multiple of 3, % < 20),
C = 13:x is a prime, % < 20).
(i) Write each one of the sets A, B, C in Roster form.
(ii) Find :
(a) AUB (6) AUC (c) Buc (d) ANB (1) And (hBnc
5. Let A = [b, d, e, f), B = (c,d,g, h) and C = le, f, g, h). Find :
(1) A-B (ii) B-C (iii) C-A
A) (0) (B-C) UC-B)
(1) (A-B) U (
B
are
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Answer 1

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Answer 2

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