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If the equation (K(x+1)^(2))/(3) + ((y +...

If the equation `(K(x+1)^(2))/(3) + ((y + 2 )^(2))/(4) =1 `represents a ciecle, then K =

A

`3/4`

B

1

C

`4/3`

D

12

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The correct Answer is:
A
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TARGET PUBLICATION-CIRCLE AND CONICS -COMPETITIVE THINKING
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  2. Equation of circle with centre (-a,-b) and radius sqrt(a^(2)-b^(2)) is

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  3. If the equation (K(x+1)^(2))/(3) + ((y + 2 )^(2))/(4) =1 represents a ...

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  4. x ^(2) + y^(2) + (2K -1) xy -2x + 4y + 3=0 represents the equation of ...

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  5. x ^(2) + hxy + y^(2) -6x -2y +k=0 is the equation of the circle and 2...

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  6. A circle x ^(2) + y^(2) + 2gx + 2fy + c=0 passing through(4,-2) is co...

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  7. Find the centre and radius of the circles2x^2+2y^2-x=0

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  8. If one end of a diameter of the circle x^(2) + y^(2) -4x-6y +11=0 is (...

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  9. The point diametrically opposite to the point P(1, 0) on the circle x^...

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  10. If the line x+2b y+7=0 is a diameter of the circle x^2+y^2-6x+2y=0 , t...

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  11. If one of the diameters of the curve ""^(2) + y ^(2) - 4x - 6y +9=0 is...

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  12. If one of the diameters of the circle, given by the equation x ^(2) + ...

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  13. Find the equation of a circle of radius 5 which lies within the circle...

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  14. The equation of the circle which passes through the points of intersec...

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  15. The intercept on the line y=x by the circel x ^(2) + y^(2) -2x =0 is ...

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  16. Let the line segment joining the centres of the circles x^(2)-2x+y^(2)...

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  17. If the lengths of the tangents drawn from P to the circles x ^(2) + y ...

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  18. IF the tangent at (1,7) to the curve x ^(2) = y-6 touches the circle ...

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  19. Find the centre of the circle that passes through the point (1,0) and ...

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