Mathematics · 2019
JEE Main · 11 January 2019, Shift 1 · Q81
Equation of a common tangent to the parabola y^2=4 x and the hyperbola x y=2 is:
Equation of a common tangent to the parabola $\displaystyle y^2=4 x$ and the hyperbola $\displaystyle x y=2$ is :
Official answer
(4)
$\displaystyle x+2 y+4=0$
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