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If x^(2) + y^(2) + 2gx + 2fy = 0 represe...

If `x^(2) + y^(2) + 2gx + 2fy = 0` represents a
circle with cerntre `(-4, -3)` then find g, f
and the radius of the circle.

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The correct Answer is:
` = 5 ` units
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-CIRCLE-EXERCISE - 1(a)
  1. Find the values of a, b, if ax^(2) + bxy + 3y^(2) - 5x + 2y - 3 = 0 ...

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  2. If x^(2)+y^(2)+2gx + 2fy-12 = 0 represents a circle with centre (2, ...

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  3. If x^(2) + y^(2) + 2gx + 2fy = 0 represents a circle with cerntre (-...

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  4. If x^(2) +y^(2) -4x + 6y + c = 0 represents a circle with radius 6 ...

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  5. Find the centre and radius of each of the circles whose equations ar...

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  6. Find the centre and radius of each of the circles whose equations ar...

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  7. Find the centre and radius of each of the circles whose equations ar...

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  8. Find the centre and radius of each of the circles whose equations ar...

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  9. Find the centre and radius of each of the circles whose equations ar...

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  10. Find the centre and radius of each of the circles whose equations ar...

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  11. Find the centre and radius of each of the circles whose equations ar...

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  12. Find the centre and radius of each of the circles whose equations ar...

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  13. Find the equations of the circles for which the points given below a...

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  14. Find the equations of the circles for which the points given below a...

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  15. Find the equations of the circles for which the points given below a...

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  16. Find the equations of the circles for which the points given below a...

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  17. Find the equations of the circles for which the points given below a...

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  18. Find the equations of the circles for which the points given below a...

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  19. Find the equations of the circles for which the points given below a...

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  20. Find the equations of the circles for which the points given below a...

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