Let a 7,2,4) and b=(1, -5,-2). Find a vector that == - has length 3a+26 and a direction opposite to that of a+b. Hint: A vector whose length is L and has opposite direction to vector is: -L vis: V 0 (7,-14, 14) O (12,12,-21) (24,3,-12) 0(-9, 18, -6) (18,9, -6)
Let a 7,2,4) and b=(1, -5,-2). Find a vector that == - has length 3a+26 and a direction opposite to that of a+b. Hint: A vector whose length is L and has opposite direction to vector is: -L vis: V 0 (7,-14, 14) O (12,12,-21) (24,3,-12) 0(-9, 18, -6) (18,9, -6)
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
![Let a 7,2,4) and b =(1, -5,-2). Find a vector that
=
has length 3a+26 and a direction opposite to that of
a+b.
Hint: A vector whose length is L and has opposite direction to
vector is: -L
v
V
0 (7,-14,14)
O (12,12,-21)
O (24,3,-12)
0(-9, 18, -6)
(18,9, -6)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fcb59cf86-d02e-4c28-a8f5-47e68e1c5aca%2Fc46e5761-f2d8-4f64-ae47-5dc7d8593f15%2Fz8460kg_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Let a 7,2,4) and b =(1, -5,-2). Find a vector that
=
has length 3a+26 and a direction opposite to that of
a+b.
Hint: A vector whose length is L and has opposite direction to
vector is: -L
v
V
0 (7,-14,14)
O (12,12,-21)
O (24,3,-12)
0(-9, 18, -6)
(18,9, -6)
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