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Grade: 12th pass
        
X={1,2,3,4,5,6,7,8,9} युग्म (A,B) की संख्या जबकि A subset of X
B subset of X and A not equal to B
3 months ago

Answers : (1)

Vikas TU
9147 Points
							
Hiii 
The number of combination of (A,B) will depend on the nuber of elements present in the Subset A and subset B.
So, If you consider the number of element in A and B both are 1. Then there will be total combinaton woud be 9*9 – 9!/2!.
 
 
3 months ago
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