1.

If A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D = {15, 17}; find (i) A ∩ B (ii) B ∩ C (iii) A ∩ C ∩ D (iv) A ∩ C (v) B ∩ D (vi) A ∩ (B ∪ C) (vii) A ∩ D (viii) A ∩ (B ∪ D) (ix) (A ∩ B) ∩ (B ∪ C) (x) (A ∪ D) ∩ (B ∪ C)

Answer»

If
A = {3, 5, 7, 9, 11}, B = {7, 9, 11, 13}, C = {11, 13, 15} and D =
{15, 17}; find



(i) A

B



(ii) B

C



(iii) A

C

D



(iv)
A

C



(v) B

D



(vi) A

(B

C)



(vii)
A

D



(viii) A

(B

D)



(ix) (A

B)

(B

C)



(x) (A

D)

(B

C)



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