Decide among the following sets, which are subsets of which:

A = {x:x satisfies x2 – 8x + 12=0}


B= {2,4,6}


C= {2,4,6,8,….}


D={6}

A = x2 – 8x + 12=0


= (x–6)(x–2) =0


= x=2 or x=6


B ={2,4,6}


C= {2,4,6,8}


D ={6}


So we can say


DABC


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