Oct 9, 2011 #1 ? ^_^ Member Joined May 13, 2008 Messages 88 Reaction score 0 Points 6 If a|x and b|x and (a, b) = 1 prove that (ab)|x
Oct 11, 2011 #2 U Uddhab New member Joined Oct 11, 2011 Messages 1 Reaction score 0 Points 1 http://answers.yahoo.com/question/index;_ylt=AjKHPK.SkOMZnSLqGvBjEvzi_Nw4;_ylv=3?qid=20111008235511AA7xmCg
http://answers.yahoo.com/question/index;_ylt=AjKHPK.SkOMZnSLqGvBjEvzi_Nw4;_ylv=3?qid=20111008235511AA7xmCg
Oct 12, 2011 #3 V vinay New member Joined Jun 4, 2008 Messages 18 Reaction score 0 Points 1 x = fa , x = gb thus x^2 = ab(fg) fg = k is an integer x^2 = k(ab) thus ab|x^2 => ab|x