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Grade: 12th pass 

                        
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
2 years ago

Answers : (1)

Arun
24742 Points 
							
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)
2 years ago
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