If the curves x²−6x+y²+8=0 and x²−8y+y²... | Circles | JEE Main

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JEE MAIN 2020

09-01-2020 S2

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If the curves, $x^2-6 x+y^2+8=0$ and $x^2-8 y+y^2+ 16-\mathrm{k}=0,(\mathrm{k}>0)$ touch each other at a point, then the largest value of $k$ is $\_\_\_\_$ .

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