A=(2,5)B=(2,3)C=(2,-11) AB=2 unitsBC=14 unitsAC=16 units AB+AB=2+14=16=AC Hence , the given points are collinear . Reply
A=(2,5)
B=(2,3)
C=(2,-11)
AB=2 units
BC=14 units
AC=16 units
AB+AB=2+14=16=AC
Hence , the given points are collinear .