+23 1)
Let vector a be (2, -6, 5) and b be (-1, -2, 0)
find the area of a parallelogram with vertices a, b, a + b, and 0
2)
Find the point where the line that passes through (2, -1, 5) and (0, 4, 2) intersects the plane 2x + y + z = 1
3)
Find the point of intersection of the lines connecting (2, 3, 6) and (2, 2, 3) and the line connecting (1, 2, 1) and (3, 0, -1)
