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Find k if the following pairs of circles...

Find k if the following pairs of circles are orthogonal.
` x^2 + y^2 + 2by - k = 0, x^2 + y^2 + 2ax + 8 = 0 `.

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The correct Answer is:
k=8
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-SYSTEM OF CIRCLE-EXERXCISE - 2(a)
  1. Find k if the following pairs of circles are orthogonal. x^2 + y^2 ...

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  2. Find k if the following pairs of circles are orthogonal. x^2 + y^2 - ...

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  3. Find k if the following pairs of circles are orthogonal. x^2 + y^2 - ...

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  4. Find k if the following pairs of circles are orthogonal. x^2 + y^2 ...

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  5. Find the angle between the circles given by the equations. x^2 + y^2...

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  6. Find the angle between the circles given by the equations. x^2 + y^2 ...

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  7. Show that the angle between the circles x^2 + y^2 = a^2,x^2 + y^2 = ...

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  8. Show that the circles given by the following equation intersect each o...

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  9. Show that the circles given by the following equation intersect each o...

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  10. Show that the circles given by the following equation intersect each o...

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  11. Show that the circles given by the following equation intersect each o...

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  12. Find the equation of the circle which passes through the origin and in...

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  13. Find the equation of the circle which passes through the origin and in...

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  14. Find the equation of the circle which passes through the point (0,-3) ...

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  15. Find the equation of the circle passing through the origin, having its...

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  16. Find the equation of the circle which passes through the point (2,0), ...

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  17. Find the equation of the circle which cuts orthogonally the circle x^2...

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  18. Find the equation of the circle which intersects the circle x^2 + y^...

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  19. Find the equation of the circle which cuts the circle x^2 + y^2 + 4x -...

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  20. If P, Q are conjugate points with respect to a circles S -= x^2 + y^2 ...

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