b) A unit vector is a vector whose magnitude is unity, given that the vectors r₁=2i+4j-5k and r₂ =i+2j+3k show that the vector parallel to the resultant is a unit vector.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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b) A unit vector is a vector whose magnitude is unity, given that the vectors
r₁ = 2i+4j-5k andr₂ =i+2j+3k show that the vector parallel to the resultant is a
unit vector.
Transcribed Image Text:b) A unit vector is a vector whose magnitude is unity, given that the vectors r₁ = 2i+4j-5k andr₂ =i+2j+3k show that the vector parallel to the resultant is a unit vector.
Question 5
a) The vector differential operator DEL, written vis defined
ə ə
by v=i+
+-k
this vector operator possesses properties analogous to
dx dy
those of ordinary vectors. Given that r=√√x² + y² +z² determine the gradient.
Transcribed Image Text:Question 5 a) The vector differential operator DEL, written vis defined ə ə by v=i+ +-k this vector operator possesses properties analogous to dx dy those of ordinary vectors. Given that r=√√x² + y² +z² determine the gradient.
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