Q-3: a) For all integers a, b, c, d, determine whether each of the following is TRUE or FALSE, Justify your answer: 1. If alc and blc, then (ab)|c². ii. If alb and cld, then (ac)|(b + d). iii. If ab, blc and c|d, then ald. iv. If alb and cld, then (a + c)|(b + d).

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A:

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