Check that the four points P 2 4 4 Q 3 1 6 R 2 8 0 and S 9 2

Last updated: 4/8/2023

Check that the four points P 2 4 4 Q 3 1 6 R 2 8 0 and S 9 2 1 all lie in a plane Then use vectors to find the area the quadrilateral they define Use symbolic notation and fractions where needed Enter DNE if the points do not lie in a plane