3. (8 marks) Let T = {3t | t € Z}, Q = {5q | q € Z}, R = {6r | r € Z}, S = {T, Q, R}. (a) For each of the following stat
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3. (8 marks) Let T = {3t | t € Z}, Q = {5q | q € Z}, R = {6r | r € Z}, S = {T, Q, R}. (a) For each of the following stat
3. (8 marks) Let T = {3t | t € Z}, Q = {5q | q € Z}, R = {6r | r € Z}, S = {T, Q, R}. (a) For each of the following statements either give a reason why it is true or give a counter-example to show it is false. (i) QCR (ii) TCR (iii) RCT (iv) 0 € S (v) OCT (b) Write down the set P(S).
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