If a=0i+-2j+ 5 k and b = −4 i+−6 j + −9 k find the magnitude of a, the magnitude of b and the scalar product of vectors a and b.
If a=0i+-2j+ 5 k and b = −4 i+−6 j + −9 k find the magnitude of a, the magnitude of b and the scalar product of vectors a and 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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Transcribed Image Text:If
a=0i+-2j + 5 k
●
find the magnitude of a, the magnitude of b and the scalar product of vectors
a and b.
a =
b
-
• a∙b=
and
-
b = −4 i + −6 j + −9 k
Keep more than 4 significant figures in your answers.
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