Asked by Steffen
For all integers a, b, c, d, determine whether each of the following is TRUE or FALSE, Justify your answer:
a)If a|c and b|c, then (ab)|c2.
b)If a|b and c|d, then (ac)|(b + d).
c)If a|b, b|c and c|d, then a|d.
d)If a|b and c|d, then (a+c)|(b+d).
a)If a|c and b|c, then (ab)|c2.
b)If a|b and c|d, then (ac)|(b + d).
c)If a|b, b|c and c|d, then a|d.
d)If a|b and c|d, then (a+c)|(b+d).