How to show if
$x,y$
are vectors,
$|x - y | \le |x| + |y| $
1
$\begingroup$
How do I show this inequality:
$|x - y | \le |x| + |y| $
?
Somehow use the triangle inequality?
vector-spaces
asked
2012-07-01
user id:34865
6
1
1bronze badges
1
$x - y = x + (-y)$
–
2012-07-01
0
Oh wow..but thanks
–
2012-07-01
2 Answers
2
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