a + b, 2a + 3b, |a|, and |a − b|. a = i + 4j − 3k, b = −4i − j + 7k
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
Find
a + b, 2a + 3b, |a|, and |a − b|.
a = i + 4j − 3k, b = −4i − j + 7k
|
a + b
|
= |
|
|
2a + 3b
|
= |
|
|
|a|
|
= |
|
|
|a − b|
|
= |
|
Transcribed Image Text:Find a + b, 2a + 3b, lal, and la – bl.
a = i +4j 3k,
a + b =
2a + 3b =
|a|=|
|a - bl=
-
b = -4i- j + 7k
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