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September 12th, 2015, 02:08 PM  #1 
Newbie Joined: Sep 2015 From: Brazil Posts: 2 Thanks: 0  Can't figure it out how to use Minkowski Inequality in fractions
So i need to prove that this distance is a ditance and i'm in d(x,y)<=d(x,z)+d(z,x) . I'm stuck at because i don't know how to handle the fractions! In the dominators i've got XY and YX and i need XZ and ZY. Thanks in advance.

September 12th, 2015, 09:25 PM  #2 
Math Team Joined: Nov 2014 From: Australia Posts: 689 Thanks: 244 
It's impossible to read the question. The left and right sides of the picture are cut off.

September 13th, 2015, 02:18 AM  #3 
Newbie Joined: Sep 2015 From: Animal Town Posts: 6 Thanks: 0  

Tags 
figure, fractions, inequality, minkowski 
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