Find the value of K for which the point A (K+1,2K) ,B(3K,2K+3)&C(5K-1,5K) are collinear

Find the value of K for which the point A (K+1,2K) ,B(3K,2K+3)&C(5K-1,

1.	Find the value of K for which the point A (K+1,2K) ,B(3K,2K+3)&C(5K-1,5K) are collinear
Answer» Use area of triangle formula.. U will get the answer