If P= {factors of 36} and Q= {factors of 48}, find Q−P
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Solution
Factors of 36 are 1,2,3,4,6,9,12,18,36 Factors of 48 are 1,2,3,4,6,8,12,16,24,48 So, P ={1,2,3,4,6,9,12,18,36} And Q ={1,2,3,4,6,8,12,16,24,48} Q−P will have the elements of Q which are not in PB So, Q−P={8,16,24,48}.