Question

0055
4. Let P = {x | xe N and x is a factor of 20} and Q = {x Xe N and x is a factor of
Q | xe 3,
Then:
(ii) find 3 x n(P) + 4 X n(Q)
(i) find n(P) + 2 x n(Q)
10 x n(P)
(iii) prove that
= 2
5xn(Q)
(iv) prove that 8 x n(P) - 6 x n(Q) = 12.​

Answer 1

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