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
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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 = {3,6,9,12,18,21}
vii) B- C = {20}
viii) B - D = {4,8,12,16}
ix) C- B = {2,6,10,14}
x) D - B = {4,8,12,16}
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 = {3,6,9,12,18,21}
vii) B- C = {20}
viii) B - D = {4,8,12,16}
ix) C- B = {2,6,10,14}
x) D - B = {4,8,12,16}
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