Mathematics · 2019
JEE Main · 9 January 2019, Shift 1 · Q78
Consider the set of all lines p x+ q y+ r =0 such that 3 p+2 q+4 r=0. Which one of the following statements is true?
Consider the set of all lines $\displaystyle \mathrm{p} x+\mathrm{q} y+\mathrm{r}=0$ such that $\displaystyle 3 p+2 q+4 r=0$. Which one of the following statements is true ?
Official answer
(2)
The lines are concurrent at the point
$$\left(\frac{3}{4}, \frac{1}{2}\right) .
$$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.