1. The quadrilateral ABCD is shown to the right. Suppose u = DC and = AD. Further suppose that BC= 30. Write each of the following vectors as a linear combination of u and a. BD b. AB

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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a)
from the triangle ABCD
BB+DC
BC
=> BD =
BC - DC
b)
=
= 31-4
from the triangle 4ABD.
AB + BD
AD
=> AB
2
=
-BD
- (3-4)
071-21
p
ھائی
ma
Îs
C
Transcribed Image Text:a) from the triangle ABCD BB+DC BC => BD = BC - DC b) = = 31-4 from the triangle 4ABD. AB + BD AD => AB 2 = -BD - (3-4) 071-21 p ھائی ma Îs C
1. The quadrilateral ABCD is shown to the right.
Suppose = DC and = AD. Further suppose
that BC= 30. Write each of the following vectors
as a linear combination of u and
a. BD
b. AB
Transcribed Image Text:1. The quadrilateral ABCD is shown to the right. Suppose = DC and = AD. Further suppose that BC= 30. Write each of the following vectors as a linear combination of u and a. BD b. AB
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