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The coordinates of the ends of a focal c...

The coordinates of the ends of a focal chord of the parabola `y^2=4a x` are `(x_1, y_1)` and `(x_2, y_2)` . Then find the value of `x_1x_2+y_1y_2` .

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  3. The coordinates of the ends of a focal chord of the parabola y^2=4a x ...

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  4. If t1a n dt2 are the ends of a focal chord of the parabola y^2=4a x , ...

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  6. If length of focal chord P Q is l , and p is the perpendicular distanc...

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  7. Find the equation of the tangent to the parabola y^2=8x having slope 2...

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  8. Find the equation of tangents of the parabola y^2=12 x , which passes ...

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  16. Show that xcosalpha+ysinalpha=p touches the parabola y^2=4a x if pco...

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  17. A tangent to the parabola y^2=8x makes an angle of 45^0 with the strai...

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  18. Find the equation of the common tangent of y^2=4a x and x^2=4a y.

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