If a={0,1} and b={1,2,3} then show that a into b not equals to b into a

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If a={0,1} and b={1,2,3} then show that a into b not equals to b into a

Rounak 23rd Jun, 2019

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Ranjot Singh Student Expert 23rd Jun, 2019

Dear student, this a question of sets. A into B means that set A's members have unique mapping in B. B into A means that B has a unique mpping in A. As you see 1 of A has been mapped to 2 in B and 1 of B is mapped to 0 in A. Hence, these both are not equal due to the difference in mapping.

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