Question

How would I go about answering this?
which point does not lie on the same plane as the points P(1,5,6), Q(-2,-3,4) and R(-1,3,2)?
a) S(0,4,4) b) S(4,13,8) c) S(0,-1,8) d) S(1,-3,2)

Answer 1

familiar with dot product and cross product ?

Answer 2

yes I am