Question

If p= (xx in a factor of 12) and Q = (x:x is a factor, 16 ) find p-q​

Answer 1

Step-by-step explanation:

(i) n(P) = Factors of 12 are

= 1, 2, 3, 4, 6, 12

∴ n(P) = 6

(ii) n(Q) = Factors of 16 are = 1. 2, 4, 8, 16

∴ n(Q) = 5

(iii) Q – P and n(Q – P)

Elements of set P = {1, 2, 3, 4, 6, 12}

Elements of set Q = {1, 2, 4, 8, 16}

∴ Q – P = 8, 16

n(Q -P) = 2

Answer 2

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