The equation of second degree x2-2 -2 x y-2 y2-4 x-4 -2 y-1-0 represents a pair of straight lines-The distance between them isA- 4B- 4 - -3C- 2D- 2 -3

The correct option is C 2 Distance = 2 √(g^2 ac/a(a+b)) = 2 √(4 nbsp; 1/1(1+2)) = 2 ...

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The equation of second degree $x^{2} + 2 \sqrt{2} x y + 2 y^{2} + 4 x + 4 \sqrt{2} y + 1 = 0$ represents a pair of straight lines.The distance between them is

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x^{2} + 2 \sqrt{2} x y + 2 y^{2} + 4 x + 4 \sqrt{2} y + 1 = 0

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