The Triangle Inequality for vectors is |a+b|≤|a|+|b|. (a) Give a geometric interpretation of the Triangle Inequality. (b) Use the Cauchy-Schwarz Inequality from Exercise 61 to prove the Triangle Inequality.

Leave a tip for good service: https://paypal.me/jjthetutor

Student Solution Manuals: https://amzn.to/2WZrFnD

More help via http://jjthetutor.com

Download my eBooks via http://payhip.com/jjthetutor,

paperback via http://amazon.com/author/jjthetutor.