Offline paper
Mathematics · 2016
JEE Main 2016 · 2016-04-03 Offline · Q78
Two sides of a rhombus are along the lines, x-y+1=0 and 7 x-y-5=0. If its diagonals intersect at (-1, -2), then which one of the following is a…
Two sides of a rhombus are along the lines, $\displaystyle x-y+1=0$ and $\displaystyle 7 x-y-5=0$. If its diagonals intersect at $\displaystyle (-1, -2)$, then which one of the following is a vertex of this rhombus ?
Official answer
(3)
$\displaystyle \left(\frac{1}{3},-\frac{8}{3}\right)$
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JEE Main 2016 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.