SOLUTION: why this is true?(x-y)^2<=(x-z)^2+(z-y)^2

SOLUTION: why this is true?(x-y)^2<=(x-z)^2+(z-y)^2

Algebra.Com

Question 595907: why this is true?(x-y)^2<=(x-z)^2+(z-y)^2
Answer by mahla(4) (Show Source): You can put this solution on YOUR website!
this is not true
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