Recent content by speedycaster

so what does it mean when it says the plane contains A? so is it like this? [(x,y,z)-(1,2,-1)].(1,-4,4)=0 1(x-1)-4(y-2)+4(z+1)=0 x-4y+4z=11

Homework Statement Question 1. Given position vectors OA : i+2j-k and OB: 2i+j+3k in a 3D Cartesian space with origin O of the points A and B. a) Find the scalar equation of the plane which contains A and which is perpendicular to vector AB. b) Find the shortest distance from the point...