Re: multiple.....

From: José Carlos Santos (jcsantos_at_fc.up.pt)
Date: 12/30/04 

Date: Thu, 30 Dec 2004 16:06:17 +0000

On 30-12-2004 15:26, mina_world wrote:

>>>a,b,c,d,u is integers.
>>>
>>>if ac, bc+ad, bd is multiple of u,
>>>then bc, ad is multiple of u.
>>
>>This is not true. Take a = c = 2, b = d = 1, and u = 4.
>>
> but bd=1 is not multiple of u=4.

Sorry, I've missed that bd should also be a multiple of u.

Best regards,

Jose Carlos Santos