Mathematics · 2018
JEE Main · 15 April 2018, Shift 2 · Q78
The sides of a rhombus ABCD are parallel to the lines, x-y+2=0 and 7 x-y+3=0. If the diagonals of the rhombus intersect at P(1, 2) and the vertex A…
The sides of a rhombus ABCD are parallel to the lines, $\displaystyle x-y+2=0$ and $\displaystyle 7 x-y+3=0$. If the diagonals of the rhombus intersect at P$\displaystyle (1, 2)$ and the vertex A (different from the origin) is on the $\displaystyle y$-axis, then the ordinate of A is :
Official answer
(1)
$\displaystyle \frac{5}{2}$
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JEE Main 2018 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.