Consider the vectors a = 6i + 7j + 6k and b = 4i − j + 8k, where i, j, and k are mutuallyperpendicular unit vectors forming a right-handed system. (a) Calculate (i) a + b. (ii) The magnitude |a| of a. (iii) The unit vector bˆ in the direction of b.
Consider the vectors a = 6i + 7j + 6k and b = 4i − j + 8k, where i, j, and k are mutuallyperpendicular unit vectors forming a right-handed system. (a) Calculate (i) a + b. (ii) The magnitude |a| of a. (iii) The unit vector bˆ in the direction of b.
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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Consider the vectors a = 6i + 7j + 6k and b = 4i − j + 8k, where i, j, and k are mutuallyperpendicular unit vectors forming a right-handed system.
(a) Calculate
(i) a + b.
(ii) The magnitude |a| of a.
(iii) The unit vector bˆ in the direction of b.
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