[" (2.Let "X={x:1<=x<=50,x in N}],[A={x:...

[" (2.Let "X={x:1<=x<=50,x in N}],[A={x:x" is multiple of "2}],[B={x:x" is multiple of "7}],[" Then find number of elements in the smallest "],[" subset of "x" ,which contain elements of both "A],[" and "B]

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