Find the value of k for which the points are (3k-1,k-2) ,(k,k-7)and (k-1,k-2) are collinear

Find the value of k for which the points are (3k-1,k-2) ,(k,k-7)and (k

1.	Find the value of k for which the points are (3k-1,k-2) ,(k,k-7)and (k-1,k-2) are collinear
Answer» With formula of area of triangle which is =0 K=0,3