In each of the following case, verift whether the four given points are coplanar or not. `(1,1,1),(3,1,2),(1,4,0),(-1,1,0)`

Explanation

As `|(4-0,5+1,1+1),(3-0,9+1,4+1),(-4-0,4+1,4+1):|=|(4,6,2),(3,10,5),(-4,5,5):|=4^(-)(50-25)-6(15+20)+2(15+40)=4xx25-6xx35+2xx55=100-210+110=0` The given points are coplanar