Solutions 217
Problems of Chapter 3
3.1
Vi = a
i>2 = a
A =
1
1
1
-1
-vi
12 0-1
1-13 2
1-13 2
-1 1-3 1
[a^1 a^2 a^3 a^4 ].
=> vfvi = 4, v~[a^2 = -1, v\a^3 = 9, vfa^4 = 2.
v 3 =a°
VT
2 V 2 —, t^cT = -9, v 2 a = --.
27
•27-W2 - -J-«i -
This result is acceptable since a^3 = 2a^1 — a^2 ; hence it is dependent on a^1 and
a^2.
4 2-^ -2^4
W 4 = a - -jf-^ - —Wi
T
Thus,
Qi
\\vi\
12
V2
\v 21
2
6
6
6 J
Qi
V4
Kl
o
_^
6
_^
6
3 J
a^1 = 2q\Vi
a^2 = -\qi + h&q2 = -\vi+v 2
a^3 = 2(2ft) - (-§(& + ^)<? 2 = |gi + ^% = 2Wl - «2
a^4 = qi - A/392 - \/65 4 = \vx + =£v 2 + vA
Q =
<£>
I ^ Q
2 2 u
1 \/3 \/6
2 6 6
1 y/3 y/6
2 6 6
1 y/3 V6
. 2 6 3.
, R =
r2 -i ^ n
L 2 2 X
0 3^3_3^3 _^
0 0 0 \/6