Question

Formula of colinear of coordinate geometry

Answer 1

Answer:1/2|x1(y2-y3)+x2(y3-y1)+ x3(y1-y2)|=0

Step-by-step explanation:

Answer 2

Answer:

Step-by-step explanation:

If the points are collinear than it is equal to zero

For triangle

0= 1/2[x1(y2-y3)+ x2(y3-y1)+ x3(y1-y3)]