Suppose u and v are vectors in the plane. a. Use the Triangle Rule for adding vectors

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Suppose u and v are vectors in the plane.

a. Use the Triangle Rule for adding vectors to explain why |u + v| ≤ |u| + |v|. This result is known as the Triangle Inequality.

b. Under what conditions is |u + v| = |u| + |v|?

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Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

Authors: William L. Briggs, Lyle Cochran, Bernard Gillett

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