Mathematics · 2021
JEE Main · 31 August 2021, Shift 2 · Q89
A tangent line L is drawn at the point (2,-4) on the parabola y^2=8 x. If the line L is also tangent to the circle x^2+y^2= a, then ' a ' is equal to…
A tangent line L is drawn at the point $\displaystyle (2,-4)$ on the parabola $\displaystyle y^2=8 x$. If the line L is also tangent to the circle $\displaystyle x^2+y^2=\mathrm{a}$, then ' a ' is equal to \_\_\_\_.
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