Q5Short answer
2 Also, find their point of intersection. 4. Find the angle between the lines r = 3iˆ − 2 ˆj + 6kˆ + (2iˆ + ˆj + 2kˆ) and r = (2 ˆj − 5kˆ) + (6iˆ + 3 ˆj + 2kˆ) 5. Prove that the line through A (0, –1, –1) and B (4, 5, 1) intersects the line through C (3, 9, 4) and D (– 4, 4, 4).