Asked by Stephanie
Def: An interger "m" divides an integer "n" if there is an integer "q" such that n=mq.
?Suppose a, b, and c are integers such that a divides b and b divides c. Prove that a divides c.
?Suppose a, b, and c are integers such that a divides b and b divides c. Prove that a divides c.
Answers
Answered by
drwls
If b is an integer factor of b, and b is an integer factor of x, then
b = ma and c = nb, where m and n are both integers.
It follows that c = m n a. Since m and n are both integers, so is mn. Therefore a is an integer factor of c, or, in other words, "a divides c".
b = ma and c = nb, where m and n are both integers.
It follows that c = m n a. Since m and n are both integers, so is mn. Therefore a is an integer factor of c, or, in other words, "a divides c".
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