SOLUTION: Prove that ||x|-|u|-|y-v|| <= |x-y| + |u-v|

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Question 1096564: Prove that ||x|-|u|-|y-v|| <= |x-y| + |u-v|
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!

||x|-|u|-|y-v|| <= |x-y| + |u-v|

Sorry, that's not always true because

Let x=2, u=4, y=3, v=5   













That's false!

Maybe you copied it wrong.  If so, 
copy it correctly in the thank-you 
note form below and I'll get back 
to you by email.

Edwin
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