Question

3. If the lines whose equations are y= mix+4, y= m2X+a2 and, y= m3X +az meets at a point then prove that
mi(a2-a3) + m2 (az - 21) +m3 (aj-22) =0​

Answer 1

Answer:

If the lines whose equations are y= mix+4, y= m2X+a2 and, y= m3X +az meets at a point then prove that

mi(a2-a3) + m2 (az - 21) +m3 (aj-22) =0