/sci/ - Science & Math

>>12496758
[math]u>1[/math]
[math]v\ge 1[/math]

[math]c=ua[/math]
[math]d=vb[/math] (making the second condition even looser)

[math]\dfrac{ab}{cd}=\dfrac{1}{uv}<1[/math]

>>12496608
I don't know where I got it from but I'm pretty sure I actually weakened it for convenience and indeed it can handle a few zeros. Might be that your extreme example can't even be handled.