.
.
1. = (), , .
,
= () (), Q(M), R(M),
() = (x,y,z)I + Q(x,y,x)j + R(x,y,z)k.
2. , .
= Pi + Qj + Rk,
= (x,y,z), Q = Q(x,y,z), R = R(x,y,z)
- x, y, z, .
(1)
(1)
, 
,
, ,
.
G (1) , 
1.
a = [c, r],
c .
2.
a = -yl + xj + bk,
(1, 0, 0).
:
92. 
.
93. 
, 
.
94. 
3. .
:
96. 
.
97. 
.
98. 
.
99. 
100. 
101. 
4. = {c, r}, c .
:
102. 
103. 
.
.
.
. () S S () n(M) :
- () n S; dS S.
3.
R .
104. n = 3j , 
, .
105. 
, 
, 
R .
|
|
|
6. a = I J + xyzk S, 
y=x. , 
