a. Verify that the function ||||1, defined on Rn by is a norm on Rn. b. Find
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is a norm on Rn.
b. Find ||x||1 for the vectors given in Exercise 1.
c. Prove that for all x ˆˆ Rn, ||x||1 ‰¥ ||x||2.
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Ixli -Σsi.
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