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Find the value of `lambda` for which the equation `lambdax^2 + 4xy + y^2 + lambdax + 3y + 2=0` represents a pair of straight line

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VMC MODULES ENGLISH-CONIC SECTIONS-LEVEL - 1
  1. The locus of the point of intersection of perpendicular tangents to x^...

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  2. Prove that the focus of id-points of the portion of the tamgents to th...

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  3. Find the value of lambda for which the equation lambdax^2 + 4xy + y^2 ...

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  4. Find the equation of the hyperbola whose : focus is (1,1) directrix is...

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  5. If e and e' be the eccentricities of two conics S=0 and S'=0 and if e^...

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  6. The vertices of a hyperbola are at (0, 0) and (10, 0) and one of its f...

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  7. The equation (x^2)/(12-lambda)+(y^2)/(8-lambda)=1 represents

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  8. The equation (x^2)/(1-k)-(y^2)/(1+k)=1, k gt 1 represents:-

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  9. If e is the eccentricity of the hyperbola (x^(2))/(a^(2))-(y^(2))/(b^(...

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  10. For the hyperbola x^2/ cos^2 alpha - y^2 /sin^2 alpha = 1;(0 lt alphal...

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  11. If PQ is a double ordinate of the hyperbola (x^(2))/(a^(2))-(y^(2))/(b...

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  12. The line y=x+2 touches the hyperbola 5x^2-9y^2=45 at the point

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  13. If the straight line xcosalpha+ysinalpha=p touches the curve (x^2)/(a^...

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  14. If the curves (x^(2))/(a^(2))-(y^(2))/(b^(2))=1 (agtb) and x^(2)-y(2)=...

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  15. about to only mathematics

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  16. The point of intersection of two tangents to the hyperbola (x^2)/(a^2)...

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  17. about to only mathematics

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  18. The absolute value of slope of common tangents to parabola y^(2) = 8x ...

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  19. Find the equations to the common tangents to the two hyperbolas (x^2)/...

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  20. If P(a sec alpha,b tan alpha) and Q(a secbeta, b tan beta) are two poi...

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