If the point A(k+1,2k),B (3k,2k+3) and C (5k-1,5k) are Collins are then find the value of k

If the point A(k+1,2k),B (3k,2k+3) and C (5k-1,5k) are Collins are the

1.	If the point A(k+1,2k),B (3k,2k+3) and C (5k-1,5k) are Collins are then find the value of k
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