If A is the set of the all prime number Less than 5 and B is the set of prime factors of 30 then find A-B= B-A
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Solution :
A = { 2 , 3 }
B = { 2 , 3 , 5 }
i ) A - B = { 2,3 } - { 2,3,5 }
= { }
ii ) B - A = { 2, 3 , 5 } - { 2 , 3 }
= { 5 }
Therefore ,
A - B ≠ B - A
•••••
A = { 2 , 3 }
B = { 2 , 3 , 5 }
i ) A - B = { 2,3 } - { 2,3,5 }
= { }
ii ) B - A = { 2, 3 , 5 } - { 2 , 3 }
= { 5 }
Therefore ,
A - B ≠ B - A
•••••
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