**Solution:**

**(a)** The length of perpendicular from the point on the plane is

**(b)** The length of perpendicular from the point on the plane is

(a) (2, 3, -5) x + 2y – 2z = 9

(b) (-6, 0, 0) 2x – 3y + 6z – 2 = 0

(a) (2, 3, -5) x + 2y – 2z = 9

(b) (-6, 0, 0) 2x – 3y + 6z – 2 = 0

**Solution:**

**(a)** The length of perpendicular from the point on the plane is

**(b)** The length of perpendicular from the point on the plane is