Question

Let a and b be Integers such that a|b and b|a. Prove that a=±b
Please Help Me Out Wid This!!​

Answer 1

Answer:

so, let aa and bb be positive integers. Prove that (a,b)|[a,b](a,b)|[a,b]. Here what I have so far;

(a,b)=d(a,b)=d [a,b]=m[a,b]=m so I need an equation of the form m=d()m=d(). I just need some hints on how to proceed.

Step-by-step explanation:

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