Question

Find the value of K if A(2,3), B(4,K),C(6,-3) are collinear

Answer 1

as abc is collinear that led ares of triangle= 0
use herons formula to find the k

Answer 2

(k-3)/(4-2)=(-3-3)/(6-2)

4k - 12 =-12
4k = 0
k = 0