If A = {3, 6, 9, 12, 15, 18, 21}, B = {4, 8, 12, 16, 20}, C = {2, 4, 6, 8, 10, 12, 14, 16}, D = {5, 10, 15, 20}; find (i) A – B (ii) A – C (iii) A – D (iv) B – A (v) C – A (vi) D – A (vii) B – C (viii) B – D (ix) C – B (x) D – B (xi) C – D (xii) D – C

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(i)A-B={3,6,9,15,18,21} Elements present in A,but not in B (ii)A-C={3,9,15,18,21} Elements present in A but not in C (iii)A-D={3,6,9,12,18,21} Elements present in A but not in D (iv)B-A={4,8,16,20} Elements present in B but not in A (v)C-A={2,4,8,10,14,16} Elements present in C but not in A (vi)D-A={5,10,20} Elements...
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(i)A-B={3,6,9,15,18,21} Elements present in A,but not in B (ii)A-C={3,9,15,18,21} Elements present in A but not in C (iii)A-D={3,6,9,12,18,21} Elements present in A but not in D (iv)B-A={4,8,16,20} Elements present in B but not in A (v)C-A={2,4,8,10,14,16} Elements present in C but not in A (vi)D-A={5,10,20} Elements present in D but not in A (vii)B-C={20} Elements present in B but not in C (viii)B-D={4,8,12,16} Elements present in B but not in D (ix)C-B={2,6,10,14} Elements present in C but not in B (x)D-B={5,10,15} Elements present in D but not in B (xi)C-D={2,4,6,8,12,14,16} Elements present in C but not in D (xii)D-C={5,15,20} Elements present in D but not in C read less
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(i) A – B = {3, 6, 9, 15, 18, 21} (ii) A – C = {3, 9, 15, 18, 21} (iii) A – D = {3, 6, 9, 12, 18, 21} (iv) B – A = {4, 8, 16, 20} (v) C – A = {2, 4, 8, 10, 14, 16} (vi) D – A = {5, 10, 20} (vii) B – C = {20} (viii) B – D = {4, 8, 12, 16} (ix) C –...
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(i) A – B = {3, 6, 9, 15, 18, 21} (ii) A – C = {3, 9, 15, 18, 21} (iii) A – D = {3, 6, 9, 12, 18, 21} (iv) B – A = {4, 8, 16, 20} (v) C – A = {2, 4, 8, 10, 14, 16} (vi) D – A = {5, 10, 20} (vii) B – C = {20} (viii) B – D = {4, 8, 12, 16} (ix) C – B = {2, 6, 10, 14} (x) D – B = {5, 10, 15} (xi) C – D = {2, 4, 6, 8, 12, 14, 16} (xii) D – C = {5, 15, 20} read less
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