• 14 Questions
Find the vector equation of the straight line that is parallel to the -axis and passing through the point .
The vector has length 13. Write this vector using , , and , with components accurate to two decimal places.
Is a unit vector?
Let be the surface you get by removing the point from the sphere with center and radius 1, and let be an arbitrary point on . The line through and intersects the -plane at , as shown in the figure. Find the coordinates of this point in terms of , , and .