This is a simple step in a proof but I can't see why it works (sorry, I'm no good at dealing with modulus sign...). Here's the step, if anyone could explain it to me that would be great!

Thanks

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- Apr 4th 2012, 02:31 PMAntInequality involving modulus
This is a simple step in a proof but I can't see why it works (sorry, I'm no good at dealing with modulus sign...). Here's the step, if anyone could explain it to me that would be great!

Thanks - Apr 4th 2012, 02:57 PMPlatoRe: Inequality involving modulus
- Apr 4th 2012, 03:04 PMAntRe: Inequality involving modulus
- Apr 4th 2012, 03:32 PMPlatoRe: Inequality involving modulus