3. Show that for any vector v e R°, P(v) is perpendicular to u. 4. Show that if P(v) = 0 then v is a sc alar multiple of u. 5. True or false: any vector v e R³ can be expressed as a sum v = w + w' where w is a scalar multiple of u and w' is perpendicular to u. Does the mapping P relate to this? 6. Suppose v1, v2 are two nonzero vectors perpendicular to u and to each other. What are the values of P on u, v1. 2?
3. Show that for any vector v e R°, P(v) is perpendicular to u. 4. Show that if P(v) = 0 then v is a sc alar multiple of u. 5. True or false: any vector v e R³ can be expressed as a sum v = w + w' where w is a scalar multiple of u and w' is perpendicular to u. Does the mapping P relate to this? 6. Suppose v1, v2 are two nonzero vectors perpendicular to u and to each other. What are the values of P on u, v1. 2?
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter6: Vector Spaces
Section6.6: The Matrix Of A Linear Transformation
Problem 6AEXP
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