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If ūv #0, then (select all that apply) O and are not perpendicular the angle between u and v is acute (less than 90 degrees) if ū. V > 0. O the angle between u and v is obtuse (greater than 90 degrees) if u <0. O and must lie in the same direction

If ūv #0, then (select all that apply) O and are not perpendicular the angle between u and v is acute (less than 90 degrees) if ū. V > 0. O the angle between u and v is obtuse (greater than 90 degrees) if u <0. O and must lie in the same direction

Advanced Engineering Mathematics
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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If ū0, then (select all that apply) O and are not perpendicular O the angle between u and v is acute (less than 90 degrees) if u. V > 0. O the angle between u and v is obtuse. (greater than 90 degrees) if u <0. V O and must lie in the same direction
Transcribed Image Text:If ū0, then (select all that apply) O and are not perpendicular O the angle between u and v is acute (less than 90 degrees) if u. V > 0. O the angle between u and v is obtuse. (greater than 90 degrees) if u <0. V O and must lie in the same direction
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