Let be a point on the plane which passes through the point If the plane is perpendicular to the line joining the points and then is equal to _______.
Option: 1 4
Option: 2 6
Option: 3 8
Option: 4 10
Let point A be (-2, -21, 29) and point B be (-1, -16, 23)
and let point P be and point Q be (4, -2, 2)
Point P and Q lies on the plane.
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