Mathematics · 2019
JEE Main · 12 January 2019, Shift 1 · Q78
If the straight line, 2 x-3 y+17=0 is perpendicular to the line passing through the points (7,17) and (15, β), then β equals:
If the straight line, $\displaystyle 2 x-3 y+17=0$ is perpendicular to the line passing through the points $\displaystyle (7,17)$ and $\displaystyle (15, \beta)$, then $\displaystyle \beta$ equals :
Official answer
(3)
$\displaystyle 5$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.