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a + b, 2a + 3b, |a|, and |a − b|. a = i + 4j − 3k,    b = −4i − j + 7k

a + b, 2a + 3b, |a|, and |a − b|. a = i + 4j − 3k,    b = −4i − j + 7k

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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Find 

a + b, 2a + 3b, |a|, and |a − b|.
a = i + 4j − 3k,    b = −4i − j + 7k
a + b
 =
 
 
 
2a + 3b
 =
 
 
 
|a|
 =
 
 
 
|a − b|
 =
 
 
 
Find a + b, 2a + 3b, lal, and la – bl. a = i +4j 3k, a + b = 2a + 3b = |a|=| |a - bl= - b = -4i- j + 7k
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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