" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
a. P = -8i + 6k
|p| = √[(-8)² + (0)² + (6)²]
|p| = √(64 + 36) = √100
|p| = 10
b. Q = 5j - 7k
|q| = √[(0)² + (5)² + (-7)²]
|q| = √(25 + 49)
|q| = √74
c. R = 2i + 4j - 6k
|r| = √[(2)² + (4)² + (-6)²]
|r| = √(4 + 16 + 36) = √56
|r| = 2√14