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The equation of the latus rectum of a pa...

The equation of the latus rectum of a parabola is `x+y=8` and the equation of the tangent at the vertex is `x+y=12.` Then find the length of the latus rectum.

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  2. Find the value of lambda if the equation (x-1)^2+(y-2)^2=lambda(x+y+3)...

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  9. If (a ,b) is the midpoint of a chord passing through the vertex of the...

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  10. If two of the three feet of normals drawn from a point to the parabola...

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  11. If three distinct normals can be drawn to the parabola y^2-2y=4x-9 fro...

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  12. Find the locus of thepoint of intersection of two normals to a parabol...

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  13. P(t1) and Q(t2) are the point t1a n dt2 on the parabola y^2=4a x . The...

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  14. Prove that the locus of the point of intersection of the normals at th...

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  15. Find the number of distinct normals that can be drawn from (-2,1) to t...

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  16. If the line passing through the focus S of the parabola y=a x^2+b x+c ...

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  17. If a focal chord of y^2=4a x makes an angle alpha in [0,pi/4] with the...

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  18. Find the length of the normal chord which subtends an angle of 90^@ at...

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  19. Find the locus of the point of intersection of the normals at the end ...

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  20. The abscissa and ordinates of the endpoints Aa n dB of a focal chord o...

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