Prove the second form of the triangle inequality. That is, prove that IIxII - IIyII
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Question:
Prove the second form of the triangle inequality. That is, prove that IIxII - IIyII <= IIx-yII holds for any pair of vectors x, y, in a normed vector space. Hint: Use the first form to prove the second form.
Related Book For
Ethics Theory and Contemporary Issues
ISBN: 978-1285196756
8th edition
Authors: Barbara MacKinnon, Andrew Fiala
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