The distance of the point of intersection of the line and the plane x - y + z = 5 from the point (- 1, - 5, - 10)is
13
12
11
8
The vector form of the sphere 2(x2 + y2 + z2) - 4x + 6y + 8z - 5 = 0 is
D.
Given equation can be rewritten as
x2 + y2 + z2 - 2x + 3y + 4z - = 0
Let
Thus, given equation written in vector form is