The line through the points $(1,4),(-5,1)$ intersects the line $4 x+3 y-5=0$ in the point

The line through the points $(1,4),(-5,1)$ intersects the line $4 x+3 y-5=0$ in the point
  1. $(-1,-3)$
  2. $\left(\frac{5}{3}, \frac{-5}{3}\right)$
  3. $(-1,3)$
  4. $(2,1)$

Solution

Equation of line passing through $\mathrm{A}(\mathrm{x}, \mathrm{y})=(1,4)$ and $\mathrm{B}\left(\mathrm{x}_{2}, \mathrm{y}_{2}\right)=(-5,1)$ is $\begin{array}{l} \frac{y-4}{4-1}=\frac{x-1}{1+5} \\ \frac{y-4}{3}=\frac{x-1}{6} \Rightarrow 2(y-4)=x-1 \Rightarrow x-1-2 y+8=0 \\ x-2 y+7=0 ...(1) \end{array}$ Also given equation of line is $4 x+3 y-5=0$ ...(2) Solving (1) \& (2) we get $x=-1, y=3$

Asked in: MHT CET 2020 (12 Oct Shift 1)

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