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Let A&B be two sets such that A is a subset of B and n(AxB)=15.if (2,5),(1,3),(3,4) are in AxB, find B-A

 Let A&B be two sets such that A is a subset of B and n(AxB)=15.if (2,5),(1,3),(3,4) are in AxB, find B-A

Grade:12th pass

1 Answers

Arun
25750 Points
5 years ago
Dear student
 
B = {5, 3, 4, 1, 2}
 
A = {1, 2, 3} 
 
hence 
 
B – A = {4, 5}
 
n(B – A) = 2
 
Regards
Arun (askIITians forum expert)

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