Çàâäàííÿ 4

„Âåêòîðíà àëãåáðà”

Äàí³ êîîðäèíàòè òî÷îê . Íåîáõ³äíî:

1. Çíàéòè ìîäóëü òà íàïðÿìîê âåêòîðà ó ïðîñòîð³.

2. Çíàéòè êóò ì³æ âåêòîðàìè òà .

3. Çíàéòè ïðîåêö³þ âåêòîðà íà íàïðÿì âåêòîðà .

4. Çíàéòè âåêòîð , ïåðïåíäèêóëÿðíèé äî âåêòîðà ³ äî .

5. Îá÷èñëèòè ïëîùó òðèêóòíèêà ÀÂÑ.

6. Çíàéòè âèñîòó ïàðàëåëîãðàìà, ïîáóäîâàíîãî íà âåêòîðàõ ³ .

7. Îá÷èñëèòè îá’ºì ï³ðàì³äè .

8. Ïåðåâ³ðèòè, ÷è êîë³íåàðí³ âåêòîðè ³ .

9. Ïåðåâ³ðèòè, ÷è îðòîãîíàëüí³ âåêòîðè ³ .

10. Ïåðåâ³ðèòè, ÷è íàëåæàòü òî÷êè äî îäí³º¿ ïëîùèíè.

4.1 (1; –1; *) (1; 2; 1) (–3; 2; *) (0; 0; –1) (2; 6; *)
4.2 (2; 3; *) (2; 1; –1) (3; –1; *) (1; –1; 3) (5; 2; *)
4.3 (3; 3; *) (2; –1; 3) (0; 2; *) (0; 1; 3) (1; –1; *)
4.4 (4; 2; *) (–1; 3; 0) (0; –1; *) (–2;1;–1) (5; 2; *)
4.5 (5; –2; *) (–2; –1;3) (1; –2; *) (–1; 0; 1) (7;–2; *)
4.6 (6; 0; *) (1; –2; 0) (0; 1; *) (2; 0; –3) (–1; 1; *)
4.7 (7; 1; *) (2; 2; –1) (–1; –1; *) (–1;–1;0) (5; 2; *)
4.8 (8; 1; *) (2; –1; 0) (2; 1; *) (2; 1; 3) (4; 0; *)
4.9 (9; 2; *) (1; –1; 1) (2; 0; *) (2; 0; –1) (6; 6; *)
4.10 (0; –3; *) (1; 0; –2) (–1; 0; *) (0; 0; 1) (–1; 1; *)
4.11 (1; 1; *) (1; 2; 3) (0; 3; *) (–1;–2;–3) (2;–5; *)
4.12 (2; 3; *) (1; –2; 1) (–1; 0; *) (1; –2; 0) (–4; 0; *)
4.13 (3; –1; *) (0; 1; –1) (–2; 3; *) (0; –1; 0) (1; –2; *)
4.14 (4; 2; *) (1; 3; –1) (–2; 1; *) (3; 0; 1) (0; –1; *)
4.15 (5; –1; *) (3; 1; –2) (0; 1; *) (2; 3; 0) (1; 2; *)

Ïðîäîâæåííÿ

4.16 (6; 0; *) (–1; 2; 3) (1; 0; *) (2; 1; –1) (5; 3; *)
4.17 (7;–3; *) (0; –2; 1) (2; –3; *) (–1; 0; 0) (–4; 3; *)
4.18 (8; –2; *) (0; 1; 3) (2; 1; *) (–3; 1; 0) (6; 2; *)
4.19 (9; –1; *) (0; 1; 1) (–2; 0; *) (–1;–1;–1) (0; –2; *)
4.20 (0; 0; *) (1;–2; –1) (0; 3; *) (–2; 1; 0) (1; 4; *)
4.21 (1;1; *) (0; 2; 1) (–1; 3; *) (2; –2; 2) (–1;–3; *)
4.22 (2;–2; *) (2; 1; 0) (0; 1; *) (–3;1;–1) (–1; 1; *)
4.23 (3; 0; *) (1; 2; –3) (2; 0; *) (1; 3; –1) (–1; 1; *)
4.24 (4; 0; *) (2; 1; –3) (0; 1; *) (–2;–1;0) (1; 4; *)
4.25 (5;–1; *) (–3; 1; 0) (2; 1; *) (0; 1; 3) (–2; 5; *)
4.26 (6; 1; *) (2; 2; –3) (–1;3; *) (1; 1; 1) (–2; 4; *)
4.27 (7;0; *) (–2; 1; 3) (0;–1; *) (–1;–2;–5) (1; 0; *)
4.28 (8; 0; *) (2; 1; –3) (–1; 0; *) (2;–1;–1) (2; 0; *)
4.29 (9; 0; *) (–3; 1; 2) (–1; 0; *) (0; –3; 1) (–3; 0; *)
4.30 (0; 2; *) (3; 2; 0) (–1; 3; *) (–2;–1;3) (–1;–1; *)