defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Mathematics Parabola, Ellipse and Hyperbola Parabola
यदि परवलय \(y^2 =- \lambda x \) और \(25 [ (x-3)^2 + (y+2)^2 ] = (3x-4y-2)^2 \) समान हैं, तो \(\lambda \) का मान है:
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-1
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-2
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-4
4
-6