Аналитическая геометрия. Локтионова Г.Н - 16 стр.

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13. .0822,
3
6
4
5
2
2
=+
=
=
zyx
zyx
14.
.01432,
12
2
0
1
3
2
=+
+
=
=
zyx
zyx
15.
.05232,
1
2
1
5
1
1
=++
=
=
zyx
zyx
16.
.03234,
3
1
1
2
1
1
=++
=
=
+
zyx
zyx
17.
.03224,
1
2
2
4
2
1
=+
+
=
+
=
zyx
zyx
18.
.0552,
1
4
2
5
3
1
=+
=
=
+
zyx
zyx
19.
.04222,
1
5
3
1
2
=+
=
= zyx
zyx
20.
.0103,
1
2
2
2
1
2
=+
=
+
=
zyx
zyx
21.
.01224,
4
1
3
3
4
2
=+++
+
=
+
=
+
zyx
zyx
22.
.05222,
5
1
0
3
2
1
=++
=
+
=
zyx
zyx
23.
.08533,
0
5
4
5
3
2
=+
+
=
+
=
+
zyx
zyx
24.
.0442,
2
3
1
4
3
4
=++
=
=
+
zyx
zyx
25.
.0125,
0
1
2
3
10
4
=++
+
=
=
zyx
zyx
26.
.03234,
2
1
1
2
1
5
=+
=
+
=
zyx
zyx
27.
.0326,
0
2
1
5
3
1
=++
+
=
+
=
zyx
zyx
28.
.05422,
1
5
1
2
0
1
=+
=
=
+
zyx
zyx
29.
.0422,
1
4
3
1
2
1
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+
=
+
=
zyx
zyx
30.
.074,
0
1
1
2
2
2
=+
=
=
zyx
zyx
Задача 12
Найти координаты проекции точки
P
на плоскость.
1.
()
025464,1,0,1
=
+
+
zyxP .
         x−2 y −5 z −6
     13.      =      =        ,          x − 2 y + 2 z − 8 = 0.
          −2      4      3
         x − 2 y −1 z + 2
     14.      =     =         ,          2 x − 3 y + 4 z − 1 = 0.
           3      0    12
         x −1 y − 5 z − 2
     15.      =     =        ,           2 x + 3 y − 2 z + 5 = 0.
           1     −1     1
         x +1 y − 2 z −1
     16.      =     =       ,            4 x + 3 y − 2 z + 3 = 0.
          −1      1    −3
         x −1 y + 4 z + 2
     17.      =     =         ,          4 x − 2 y − 2 z + 3 = 0.
         −2       2     1
         x +1 y − 5 z − 4
     18.      =     =        ,           2 x − y − 5 z + 5 = 0.
           3     −2     1
         x y −1 z − 5
     19. =        =     ,                2 x − 2 y + 2 z − 4 = 0.
         2     3    −1
         x−2 y+2 z−2
     20.      =      =         ,         x − y − 3 z + 10 = 0.
           1      2     −1
         x + 2 y + 3 z +1
     21.      =      =       ,           4 x + 2 y + 2 z + 1 = 0.
           4      3    −4
         x −1 y + 3 z −1
     22.      =     =       ,            2 x + 2 y − 2 z + 5 = 0.
           2     0     5
         x+2 y+5 z+5
     23.      =      =         ,         3 x − 3 y + 5 z − 8 = 0.
           3     −4       0
         x+4 y −4 z −3
     24.      =      =        ,          2 x − y + 4 z + 4 = 0.
           3     −1    −2
         x − 4 y − 3 z +1
     25.      =      =       ,           5 x + y − 2 z + 1 = 0.
          10     −2      0
         x − 5 y + 2 z −1
     26.      =      =       ,           4 x − 3 y + 2 z − 3 = 0.
          −1     −1    −2
         x −1 y + 5 z + 2
     27.      =     =        ,           6 x − y + 2 z + 3 = 0.
           3     −1     0
         x +1 y − 2 z − 5
     28.      =     =        ,           2 x − 2 y + 4 z − 5 = 0.
           0      1     1
         x −1 y +1 z + 4
     29.      =     =       ,             x − 2 y + 2 z + 4 = 0.
           2     3     −1
         x − 2 y − 2 z −1
     30.      =      =       ,            x − 4 y − z + 7 = 0.
           2     −1      0

                                    Задача 12
        Найти координаты проекции точки P на плоскость.
     1. P(1, 0,1),            4 x + 6 y + 4 z − 25 = 0 .


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