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If lx +my+n =0 be a tangent to the circl...

If `lx +my+n =0` be a tangent to the circle `x^(2)+y^(2)+2gx+2fy+c=0` at a given point, on it, find the equation of the normal to the circle at the same point.

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The correct Answer is:
`mx-ly=lf-mg`
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CHHAYA PUBLICATION-TANGENT AND NORMAL -VERY SHORT ANSWER TYPE QUESTIONS
  1. If px+qy=r be a tangent to the circle x^(2)+y^(2)=a^(2) at any given ...

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  2. If lx +my+n =0 be a tangent to the circle x^(2)+y^(2)+2gx+2fy+c=0 at a...

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  3. Find the points on the ellipse 4x^(2)+9y^(2)=36 at which the tangents ...

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  4. Is there any tangent paralle to x-axis to the parabola y^(2)+20x ? G...

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  6. Find the where the tangents to the parabola y=x^(2) is paralle to the...

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  7. Find the coordinates of points on the hyperbola xy=c^(2) at which the...

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  8. Prove that the tangent to the curce y=x^(2)-5x+6 at the points (2,0) a...

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  9. Find the equation of the tangent at the specified points to each of th...

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  11. Find the equation of the tangent at the specified points to each of th...

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  15. Find the equation of the tangent at the specified points to each of th...

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  17. Find the equation of the tangent at the specified points to each of th...

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  19. Find the equation of the tangent at the specified points to each of th...

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  20. Find the equation of the normal at the specified point to each of the ...

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