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
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
Problem 1RQ
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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

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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