7. Let v = (1,-1, 1) and w = (5,8, 4). If the projection of u along v is (2,-2, 2) and u is parallel to w, then find the length of u.
7. Let v = (1,-1, 1) and w = (5,8, 4). If the projection of u along v is (2,-2, 2) and u is parallel to w, then find the length of u.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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