1)
, - . , R .1. . 1 R. Oxyz x,y,z- . , , , . Oxyz F(x,y,z)=0, x,y,z .
2)
. F1(x,y,z)=0 F2(x,y,z) , (L)
- .
. r=r(t) .
- r .
3)
1.
, - M0 . - . L M0(x0,y0,z0) (m,n,p). L M(x,y,z).
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2.
=(x,y,z), =(x0,y0,z0), t =(tm,tn,tp), :
. - .
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t :
- .
4.
L M1(x1,y1,z1) M2(x2,y2,z2). , .. = , , m=x2-x1, n=y2-y1, p=z2-z1. .M1(x,y,z) :
- .
5.
L1 L2
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. 1(m1,n1,p1) 2(m2,n2,p2).
L1 L2, cosφ=0,
L1 || L2, 1 || 2 1 2 :
.
4) .
. Oxyz .
1. .
Oxyz Q M0(x0,y0,z0) =(A,B,C) . M(x,y,z) . Q, , , ..
(1)
- . n=(A,B,C) . A,B,C .M0.
2.
x,y z.
(2)
, , A,B C≠0, B≠0, :
(1) , =(A,B,C), . (2) Oxyz . .
:
) D=0, . .O(0,0,0)- . , ;
) C=0, , (A,B,0) Oz. , Oz; B=0, || Oy; A=0, || Ox.
) C=D=0, .O(0,0,0) || Oz, Oz;
) A=B=0, Cz+D=0, Z= , || Oxy;
) A=B=D=0, Cz=0, Z=0, Oxy.
3. , .
. Q, M1(x1,y1,z1), M2(x2,y2,z2) M3(x3,y3,z3), . M(x,y,z) ; . . ( =0) :
..
(1)
- , .
4.
Ox, Oy Oz ,b,c. A(,0,0),B(0,b0) C(0,0,c). (1) :
=0. :
- .
5.
Q , OK , (.2)
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= =(x,y,z).
M Q p.
.. - . r e :
6.
Q1 Q2:
. φ (A1,B1,C1) (A2,B2,C2) Q1 Q2 . . . Q1 a Q2, , =0, .
Q1 Q2. Q1 || Q2, || , , - Q1 Q2.
7. .
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.M1 Q,
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8 .
, L
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.4
φ- Q L, - =(A,B,C) =(m,n,p) (.4).
, Sinφ≥0 :
- .
L || Q, , =0, L Q.
L Q, ||, - L Q.
9.
.
. :
, L || Q, , , t , L Q.