Fewpal
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in Mathematics by (2.5k points)
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

1 Answer

+1 vote
by (2.5k points)
 
Best answer

(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} 

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