If the radius of the circle touching the pair of lines $7 x^{2} - 18 x y + 7 y^{2} = 0$ and the circle $x^{2} + y^{2} - 8 x - 8 y = 0$ , and contained in the given circle is equal to k, then $k^{2}$ is equal to

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Michael Discussed

If the radius of the circle touching the pair of lines

7 x^{2} - 18 x y + 7 y^{2} = 0

and the circle

x^{2} + y^{2} - 8 x - 8 y = 0

, and contained in the given circle is equal to k, then

k^{2}

is equal to

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Question Text

If the radius of the circle touching the pair of lines

7 x^{2} - 18 x y + 7 y^{2} = 0

and the circle

x^{2} + y^{2} - 8 x - 8 y = 0

, and contained in the given circle is equal to k, then

k^{2}

is equal to

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