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gtfitzpatrick
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Homework Statement
Are the following norms defined on R ^2
1. [tex]\left\right\|\|[/tex]+ defined by [tex]\left\right\|\|[/tex]+ = [tex]\left|x1\right|[/tex] + [tex]\left|x2\right|[/tex]
2. [tex]\left\right\|\|[/tex]4 defined by [tex]\left\right\|\|[/tex]4 = 4[tex]\left|x1\right|[/tex]
Homework Equations
The Attempt at a Solution
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