Date: Sun, 4 Oct 1998 21:58:04 -0600 (CST)
Subject: Math 8 - enriched
Who is asking: Student
If you consider 2/1 to be a fraction then 2/1 and 2/1 will also work, in fact if you know some algebra you can find many solutions.
If a and b are any numbers for which ab = a + b then subtracting a from both sides gives ab - a = b. That is a(b - 1) = b or
Hence if you let b be any fraction (except b=1) and
then ab = a + b. For example if b = 1/4 then a = -1/3.
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