The distance between the points (5,−9) and (11,y) is 10 units. Find the values of y.
If the angle between the planes 2x−y+z=4 and x+λy+2z=11 is π3, then the values of λ are
Find the values of y for which the distance between the points A(2, -3) and B(10, y) is 10 units.