The points A and B have position vectors j+2k and 2i+j-2k respectively. (i) Find a vector equation of the line I passing through the midpoint, M, of AB and the origin O. (ii) Find the position vector of a point N where N is the foot of the perpendicular from A to 1. (iii) Find the position vector of a point C such that AOCM is a parallelogram. (iv) Show that the points A, N and C are collinear. CO State, with a geometrical reason, the value of CM

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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The points A and B have position vectors j+2k and 2i+j-2k respectively.
(i) Find a vector equation of the line I passing through the midpoint, M, of AB and the
origin O.
(ii) Find the position vector of a point N where N is the foot of the perpendicular from A
to 1.
(iii) Find the position vector of a point C such that AOCM is a parallelogram.
(iv) Show that the points A, N and C are collinear.
CO
State, with a geometrical reason, the value of
CM
[(i) 1:r=t 1
teR
(ii) ON =
(iii) OC
(iv) 1]
%3D
Transcribed Image Text:The points A and B have position vectors j+2k and 2i+j-2k respectively. (i) Find a vector equation of the line I passing through the midpoint, M, of AB and the origin O. (ii) Find the position vector of a point N where N is the foot of the perpendicular from A to 1. (iii) Find the position vector of a point C such that AOCM is a parallelogram. (iv) Show that the points A, N and C are collinear. CO State, with a geometrical reason, the value of CM [(i) 1:r=t 1 teR (ii) ON = (iii) OC (iv) 1] %3D
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