Контрольная работа №2 Задача 1. Написать разложение вектора x по векторам p, q, r . 1.1. x 2, 4, 7, p 0, 1, 2, q 1, 0, 1, r 1, 2, 4. 1.2. x 6, 12, 1, p 1, 3, 0, q 2, 1, 1, r 0, 1, 2. 1.3. x 1, 4, 4, p 2, 1, 1, q 0, 3, 2, r 1, 1, 1. 1.4. x 9, 5, 5, p 4, 1, 1, q 2, 0, 3, r 1, 2, 1. 1.5. x 5, 5, 5, p 2, 0, 1, q 1, 3, 1, r 0, 4, 1. 1.6. x 13, 2, 7, p 5, 1, 0, q 2, 1, 3, r 1, 0, 1. 1.7. x 19, 1, 7, p 0, 1, 1, q 2, 0, 1, r 3, 1, 0. 1.8. x 3, 3, 4, p 1, 0, 2, q 0, 1, 1, r 2, 1, 4. 1.9. x 3, 3, 1, p 3, 1, 0, q 1, 2, 1, r 1, 0, 2. 1.10. x 1, 7, 4, p 1, 2, 1, q 2, 0, 3, r 1, 1, 1. 1.11. x 6, 5, 14, p 1, 1, 4, q 0, 3, 2, r 2, 1, 1. 1.12. x 6, 1, 7, p 1, 2, 0, q 1, 1, 3, r 1, 0, 4. 1.13. x 5, 15, 0 , p 1, 0, 5, q 1, 3, 2, r 0, 1, 1. 1.14. x 2, 1, 11, p 1, 1, 0, q 0, 1, 2, r 1, 0, 3. 1.15. x 11, 5, 3, p 1, 0, 2, q 1, 0, 1, r 2, 5, 3. 1.16. x 8, 0, 5, p 2, 0, 1, q 1, 1, 0, r 4, 1, 2. 1.17. x 3, 1, 8, p 0, 1, 3, q 1, 2, 1, r 2, 0, 1. 1.18. x 8, 1, 12, p 1, 2, 1, q 3, 0, 2, r 1, 1, 1. 1.19. x 9, 8, 3, p 1, 4, 1, q 3, 2, 0, r 1, 1, 2. 1.20. x 5, 9, 13, p 0, 1, 2, q 3, 1, 1, r 4, 1, 0. 1.21. x 15, 5, 6, p 0, 5, 1, q 3, 2, 1, r 1, 1, 0. 1.22. x 8, 9, 4, p 1, 0, 1, q 0, 2, 1, r 1, 3, 0. 1.23. x 23, 14, 30, p 2, 1, 0, q 1, 1, 0, r 3, 2, 5. 1.24. x 3, 1, 3, p 2, 1, 0, q 1, 0, 1, r 4, 2, 1. 1.25. x 1, 7, 0, p 0, 3, 1, q 1, 1, 2, r 2, 1, 0. 1.26. x 11, 1, 4, p 1, 1, 2, q 3, 2, 0, r 1, 1, 1. 1.27. x 13, 2, 18 , p 1, 1, 4, q 3, 0, 2, r 1, 2, 1. 1.28. x 0, 8, 9, p 0, 2, 1, q 3, 1, 1, r 4, 0, 1. 1.29. x 8, 7, 13, p 0, 1, 5, q 3, 1, 2, r 1, 0, 1. 1.30. x 2, 7, 5, p 1, 0, 1, q 1, 2, 0, r 0, 3, 1. 1.31. x 15, 20, 1, p 0, 2, 1, q 0, 1, 1, r 5, 3, 2. Задача 2. Коллинеарны ли векторы c1 и c 2 , построенные по векторам a и b? 2.1. a 1, 2, 3, b 3, 0, 1, c1 2a 4b, c2 3b a. 2.2. a 1, 0, 1 , b 2, 3, 5, c1 a 2b, c2 3a b. 2.3. a 2, 4, 1 , b 1, 2, 7, c1 5a 3b, c2 2a b. 2.4. a 1, 2, 3, b 2, 1, 1, c1 4a 3b, c2 8a b. 2.5. a 3, 5, 4, b 5, 9, 7, c1 2a b, c2 3a 2b. 2.6. a 1, 4, 2 , b 1, 1, 1, c1 a b, c2 4a 2b. 2.7. a 1, 2, 5, b 3, 1, 0, c1 4a 2b, c2 b 2a. 2.8. a 3, 4, 1, b 2, 1, 1, c1 6a 3b, c2 b 2a. 2.9. a 2, 3, 2, b 1, 0, 5, c1 3a 9b, c2 a 3b. 2.10. a 1, 4, 2 , b 3, 2, 6, c1 2a b, c2 3b 6a. 2.11. a 5, 0, 1 , b 7, 2, 3, c1 2a b, c2 3b 6a. 2.12. a 0, 3, 2 , b 1, 2, 1, c1 5a 2b, c2 3a 5b. 2.13. a 2, 7, 1, b 3, 5, 2, c1 2a 3b, c2 3a 2b. 2.14. a 3, 7, 0 , b 1, 3, 4, c1 4a 2b, c2 b 2a. 2.15. a 1, 2, 1, b 2, 7, 1, c1 6a 2b, c2 b 3a. 2.16. a 7, 9, 2, b 5, 4, 3, c1 4a b, c2 4b a. 2.17. a 5, 0, 2, b 6, 4, 3, c1 5a 3b, c2 6b 10a. 2.18. a 8, 3, 1, b 4, 1, 3, c1 2a b, c2 2b 4a. 2.19. a 3, 1, 6 , b 5, 7, 10, c1 4a 2b, c2 b 2a. 2.20. a 1, 2, 4 , b 7, 3, 5, c1 6a 3b, c2 b 2a. 2.21. a 3, 7, 0 , b 4, 6, 1, c1 3a 2b, c2 5a 7b. 2.22. a 2, 1, 4, b 3, 7, 6, c1 2a 3b, c2 3a 2b. 2.23. a 5, 1, 2, b 6, 0, 7, c1 3a 2b, c2 4b 6a. 2.24. a 9, 5, 3, b 7, 1, 2, c1 2a b, c2 3a 5b. 2.25. a 4, 2, 9 , b 0, 1, 3, c1 4b 3a, c2 4a 3b. 2.26. a 2, 1, 6 , b 1, 3, 8, c1 5a 2b, c2 2a 5b. 2.27. a 5, 0, 8 , b 3, 1, 7, c1 3a 4b, c2 12b 9a. 2.28. a 1, 3, 4, b 2, 1, 0, c1 6a 2b, c2 b 3a. 2.29. a 4, 2, 7 , b 5, 0, 3, c1 a 3b, c2 6b 2a. 2.30. a 2, 0, 5 , b 1, 3, 4, c1 2a 5b, c2 5a 2b. 2.31. a 1, 2, 8, b 3, 7, 1, c1 4a 3b, c2 9b 12a. Задача 3. Найти косинус угла между векторами AB и AC . 3.1. A 1, 2, 3 , B 0, 1, 2 , C 3, 4, 5. 3.2. A 0, 3, 6 , B 12, 3, 3 , C 9, 3, 6 . 3.3. A 3, 3, 1 , B 5, 5, 2 , C 4, 1, 1. 3.4. A 1, 2, 3 , B 3, 4, 6 , C 1, 1, 1. 3.5. A 4, 2, 0 , B 1, 2, 4 , C 3, 2, 1. 3.6. A 5, 3, 1 , B 5, 2, 0 , C 6, 4, 1. 3.7. A 3, 7, 5 , B 0, 1, 2 , C 2, 3, 0 . 3.8. A 2, 4, 6 , B 0, 2, 4 , C 6, 8, 10 . 3.9. A 0, 1, 3.10. A 3, 2 , B 3, 1, 2 , C 4, 1, 1. 3, 1 , B 1, 5, 2 , C 4, 1, 1. 3.11. A 2, 1, 1 , B 6, 1, 4 , C 4, 2, 1. 3.12. A 1, 2, 1 , B 4, 2, 5 , C 8, 2, 2 . 3.13. A 6, 2, 3 , B 6, 3, 2 , C 7, 3, 3. 3.14. A 0, 0, 4 , B 3, 6, 1 , C 5, 10, 1. 3.15. A 2, 8, 1 , B 4, 6, 0 , C 2, 5, 1. 3.16. A 3, 6, 9 , B 0, 3, 6 , C 9, 12, 15 . 3.17. A 0, 2, 4 , B 8, 2, 2 , C 6, 2, 4 . 3.18. A 3, 3, 1 , B 5, 1, 2 , C 4, 1, 1. 3.19. A 4, 3, 0 , B 0, 1, 3 , C 2, 4, 2 . 3.20. A 1, 1, 0 , B 2, 1, 4 , C 8, 1, 1. 3.21. A 7, 0, 2 , B 7, 1, 3 , C 8, 1, 2 . 3.22. A 2, 3, 2 , B 1, 3, 1 , C 3, 7, 3. 3.23. A 2, 2, 7 , B 0, 0, 6 , C 2, 5, 7 . 3.24. A 1, 2, 3 , B 0, 1, 2 , C 3, 4, 5 . 3.25. A 0, 3, 6 , B 9, 3, 6 , C 12, 3, 3. 3.26. A 3, 3, 1 , B 5, 1, 2 , C 4, 1, 3. 3.27. A 2, 1, 1 , B 2, 3.28. A 1, 3, 2 , C 0, 0, 3. 4, 1 , B 2, 4, 5 , C 8, 4, 0 . 3.29. A 0, 1, 0 , B 0, 2, 1 , C 1, 2, 0 . 3.30. A 4, 0, 4 , B 1, 6, 7 , C 1, 10, 9 . 3.31. A 2, 4, 6 , B 0, 2, 4 , C 6, 8, 10 . Задача 4. Вычислить площадь параллелограмма, построенного на векторах a и b . 4.1. a p 2q, b 3p q; p 1, q 2, p q 6. 4.2. a 3p q, b p 2q; p 4, q 1, p q 4. p q 2. 4.3. a p 3q, b p 2q; p 1 5, q 1, 4.4. a 3p 2q, b p 5q; p 4, q 1 2, p q 5 6. 4.5. a p 2q, b 2p q; p 2, q 3, p q 3 4. 4.6. a p 3q, b p 2q; p 2, q 3, p q 3. 4.7. a 2p q, b p 3q; p 3, q 2, p q 2. 4.8. a 4p q, b p q; p 7, q 2, p q 4. 4.9. a p 4q, b 3p q; p 1, q 2, p q 6. 4.10. a p 4q, b 2p q; p 7, q 2, p q 3. 4.11. a 3p 2q, b p q; p 10, q 1, p q 2. 4.12. a 4p q, b p 2q; p 5, q 4, p q 4. 4.13. a 2p 3q, b p 2q; p 6, q 7, p q 3. 4.14. a 3p q, b p 2q; p 3, q 4, p q 3. 4.15. a 2p 3q, b p 2q; p 2, q 3, p q 4. 4.16. a 2p 3q, b 3p q; p 4, q 1, p q 6. 4.17. a 5p q, b p 3q; p 1, q 2, p q 3. 4.18. a 7p 2q, b p 3q; p 1 2, q 2, 4.19. a 6p q, b p q; p 3, q 4, p q 2. p q 4. 4.20. a 10p q, b 3p 2q; p 4, q 1, p q 6. 4.21. a 6p q, b p 2q; p 8, q 1 2, p q 3. 4.22. a 3p 4q, b q p; p 2,5, q 2, p q 2. 4.23. a 7p q, b p 3q; p 3, q 1, p q 3 4. 4.24. a p 3q, b 3p q; p 3, q 5, p q 2 3. 4.25. a 3p q, b p 3q; p 7, q 2, p q 4. 4.26. a 5p q, b p q; p 5, q 3, p q 5 6. 4.27. a 3p 4q, b p 3q; p 2, q 3, p q 4. 4.28. a 6p q, b 5q p; p 1 2, q 4, p q 5 6. 4.29. a 2p 3q, b p 2q; p 2, q 1, p q 3. 4.30. a 2p 3q, b 5p q; p 2, q 3, p q 2. 4.31. a 3p 2q, b 2p q; p 4, q 3, p q 3 4. Задача 5. Компланарны ли векторы a , b и c ? 5.1. a 2, 3, 1, b 1, 0, 1, c 2, 2, 2. 5.2. a 3, 2, 1, b 2, 3, 4, c 3, 1, 1. 5.3. a 1, 5, 2, b 1, 1, 1, c 1, 1, 1. 5.4. a 1, 1, 3, b 3, 2, 1, c 2, 3, 4. 5.5. a 3, 3, 1, b 1, 2, 1, c 1, 1, 1. 5.6. a 3, 1, 1, b 2, 1, 0, c 5, 2, 1. 5.7. a 4, 3, 1, b 1, 2, 1, c 2, 2, 2. 5.8. a 4, 3, 1, b 6, 7, 4, c 2, 0, 1. 5.9. a 3, 2, 1, b 1, 3, 7, c 1, 2, 3. 5.10. a 3, 7, 2, b 2, 0, 1, c 2, 2, 1. 5.11. a 1, 2, 6 , b 1, 0, 1, c 2, 6, 17. 5.12. a 6, 3, 4 , b 1, 2, 1, c 2, 1, 2. 5.13. a 7, 3, 4, b 1, 2, 1, c 4, 2, 4. 5.14. a 2, 3, 2 , b 4, 7, 5, c 2, 0, 1. 5.15. a 5, 3, 4, b 1, 0, 1, c 4, 2, 4. 5.16. a 3, 10, 5, b 2, 2, 3, c 2, 4, 3. 5.17. a 2, 4, 3 , b 4, 3, 1, c 6, 7, 4. 5.18. a 3, 1, 1, b 1, 0, 1, c 8, 3, 2. 5.19. a 4, 2, 2 , b 3, 3, 3, c 2, 1, 2. 5.20. a 4, 1, 2, b 9, 2, 5, c 1, 1, 1. 5.21. a 5, 3, 4, b 4, 3, 3, c 9, 5, 8. 5.22. a 3, 4, 2, b 1, 1, 0, c 8, 11, 6. 5.23. a 4, 1, 6 , b 1, 3, 7, c 2, 1, 4. 5.24. a 3, 1, 0, b 5, 4, 5, c 4, 2, 4. 5.25. a 3, 0, 3 , b 8, 1, 6, c 1, 1, 1. 5.26. a 1, 1, 4, b 1, 0, 3, c 1, 3, 8. 5.27. a 6, 3, 4 , b 1, 2, 1, c 2, 1, 2. 5.28. a 4, 1, 1 , b 9, 5.29. a 3, 3, 3 , b 4, 7, 6, c 3, 0, 1. 5.30. a 7, 10, 5.31. a 7, 4, 9, c 6, 2, 6. 5 , b 0, 2, 1, c 2, 4, 1. 4, 6, b 2, 1, 1, c 19, 11, 17. Задача 6. Вычислить объем тетраэдра с вершинами в точках A1 , A2 , A3 , A4 и его высоту, опущенную из вершины A4 на грань A1 A2 A3 . 6.1. A1 1, 3, 6 , A2 2, 2, 1 , A3 1, 0, 1 , A4 4, 6, 3. 6.2. A1 4, 2, 6 , A2 2, 3, 0 , A3 10, 5, 8 , A4 5, 2, 4 . 6.3. A1 7, 2, 4 , A2 7, 1, 2 , A3 3, 3, 1 , A4 4, 2, 1. 6.4. A1 2, 1, 4 , A2 1, 5, 2 , A3 7, 3, 2 , A4 6, 3, 6 . 6.5. A1 1, 5, 2 , A2 6, 0, 3 , A3 3, 6, 3 , A4 10, 6, 7 . 6.6. A1 0, 1, 1 , A2 2, 3, 5 , A3 1, 5, 9 , A4 1, 6, 3 . 6.7. A1 5, 2, 0 , A2 2, 5, 0 , A3 1, 2, 4 , A4 1, 1, 1. 6.8. A1 2, 1, 2 , A2 1, 2, 1 , A3 5, 0, 6 , A4 10, 9, 7 . 6.9. A1 2, 0, 4 , A2 1, 7, 1 , A3 4, 8, 4 , A4 1, 4, 6 . 6.10. A1 14, 4, 5 , A2 5, 3, 2 , A3 2, 6, 3 , A4 2, 2, 1. 6.11. A1 1, 2, 0 , A2 3, 0, 3 , A3 5, 2, 6 , A4 8, 4, 9 . 6.12. A1 2, 1, 2 , A2 1, 2, 1 , A3 3, 2, 1 , A4 4, 2, 5 . 6.13. A1 1, 1, 2 , A2 1, 1, 3 , A3 2, 2, 4 , A4 1, 0, 2 . 6.14. A1 2, 3, 1 , A2 4, 1, 2 , A3 6, 3, 7 , A4 7, 5, 3 . 6.15. A1 1, 1, 1 , A2 2, 3, 1 , A3 3, 2, 1 , A4 5, 9, 8 . 6.16. A1 1, 5, 7 , A2 3, 6, 3 , A3 2, 7, 3 , A4 4, 8, 12 . 6.17. A1 3, 4, 7 , A2 1, 5, 4 , A3 5, 2, 0 , A4 2, 5, 4 . 6.18. A1 1, 2, 3 , A2 4, 1, 0 , A3 2, 1, 2 , A4 3, 4, 5 . 6.19. A1 4, 1, 3 , A2 2, 1, 0 , A3 0, 5, 1 , A4 3, 2, 6 . 6.20. A1 1, 1, 1 , A2 2, 0, 3 , A3 2, 1, 1 , A4 2, 2, 4 . 6.21. A1 1, 2, 0 , A2 1, 1, 2 , A3 0, 1, 1 , A4 3, 0, 1. 6.22. A1 1, 0, 2 , A2 1, 2, 1 , A3 2, 2, 1 , A4 2, 1, 0 . 6.23. A1 1, 2, 3 , A2 1, 0, 1 , A3 2, 1, 6 , A4 0, 5, 4 . 6.24. A1 3, 10, 1 , A2 2, 3, 5 , A3 6, 0, 3 , A4 1, 1, 2 . 6.25. A1 1, 2, 4 , A2 1, 2, 4 , A3 3, 0, 1 , A4 7, 3, 1. 6.26. A1 0, 3, 1 , A2 4, 1, 2 , A3 2, 1, 5 , A4 3, 1, 4 . 6.27. A1 1, 3, 0 , A2 4, 1, 2 , A3 3, 0, 1 , A4 4, 3, 5 . 6.28. A1 2, 1, 1 , A2 0, 3, 2 , A3 3, 1, 4 , A4 4, 7, 3 . 6.29. A1 3, 5, 6 , A2 2, 1, 4 , A3 0, 3, 1 , A4 5, 2, 8 . 6.30. A1 2, 4, 3 , A2 5, 6, 0 , A3 1, 3, 3 , A4 10, 8, 7 . 6.31. A1 1, 1, 2 , A2 2, 1, 2 , A3 1, 1, 4 , A4 6, 3, 8 .