Question

Find x if three point (1,2) , (2,3) , & (x,4) are co - linear

Answer 1

$hey \: mate \\ u \: can \: easily \: \: find \: it \: by \: applying \: \\ the \: distance \: formula \: \\ that \: is - \\ \sqrt{x2 - x 1} whole \: sqare \: and \: \ \sqrt{y 2- y1}whole \: square \: \\ and \: then \: sqaring \: both \: sides$