Q. 1 E3.7( 6 Votes )

State in each case whether A B or A B.

A = {x : x is an even natural number,}, B = {x : x is an integer}

Answer :

A B

Explanation: we have, A = {2,4,6,8,...} and B = {. . ., –3, –2, –1, 0, 1, 2, 3, . . .}. since, even natural numbers are also integers, we observe that elements of A belongs to B.


Thus , A B.


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