Mustaqil yechish uchun misol va masalalarning javoblari
Fazoda to’g’ri chiziq
1.1) D = -4; 2) D = 9; 3) D = 3. 2. 6x - 17y + -13 = 0, z = 0;
6x + 12z – 13 = 0, y = 0; -17y + 12z – 13 = 0, x = 0.
3. . 4. ; .5.
6. 1) x = t + 1, y = -7t, z = -19t - 3; 2) x = -t + 1, y = 3t + 2, z = 5t - 1.
9. ; . 10. x = 5t + 4,
y = -11t - 7, z = - 2.
Tekislik va to’g’ri chiziq
11. . 12. . 13. 3x+2y+4z-16=0. 14. 4x + 3y + 2z + 4 = 0. 15. 1) (6,5,4); 2) (2,-3,6); 3) To’g’ri chiziq tekislikda yotadi. 16. . 17. .18. 1) Yotadi; 2) Yotadi; 3) Yotmaydi. 19. m = -3. 20. c =-2. 21.(2,9,6). 22. .23.d = 7. 24. d = 3.
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