Question

Given that A = 3i+] + 2k and B = 1 - 2j-4k are the position vectors of points P and
(a) Find an equation for the plane passing through Q and perpendicular to line PQ.
(6) What is the distance from the point (-1,1,1) to the plane ?​

Answer 1

S2s2wß4ßßßßßßßS2s2wß4ßßßßS2s2wß4ßßßßßßßS2s2wß4ßßßßßßßS2s2wß4ßßßßßßßS2s2wß4ßßßßßßßS2s2wß4ßßßßßßßS2s2wß4ßßßßßßß

Answer 2

Answer:

The equation of plane is (r−β).(α−β)=0

⇒2x−y+6z+24=0

Therefore, perpendicular distance from (−1,1,1) is d=∣∣∣∣∣4+1+36−2−1+6+24∣∣∣∣∣=4127