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If A(1),A(2),A(3) be the areas of circle...

If `A_(1),A_(2),A_(3)` be the areas of circles `x^(2)+y^(2)+4x+6y-19=0, x^(2)+y^(2)=9, x^(2)+y^(2)-4x-6y-12=0` respectively then `A_(1):A_(2):A_(3)`=

A

`A_(1)gtA_(2)A_(3)`

B

`A_(2)gtA_(3)gtA_(1)`

C

`A_(1)gtA_(3)gtA_(2)`

D

`A_(2)gtA_(1)gtA_(3)`

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-CIRCLES-PRACTICE EXERCISE
  1. The equation of the circle concentric with x^(2)+y^(2)-2x+8y-23=0 and ...

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  2. For the circle x^(2)+y^(2)-4x+2y+c=0 radius is 4 then c=

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  3. If A(1),A(2),A(3) be the areas of circles x^(2)+y^(2)+4x+6y-19=0, x^(2...

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  4. The equation of the circle with centre (2,3) and distance between (0,0...

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  5. The equation of the circle with radius 4 and centres as the midpoint o...

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  6. The circle with centre (1,-3) and radius being the distance between th...

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  7. If the area of the circle x^(2)+y^(2)+4x+2y+k=0 is 5pi square cms then...

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  8. If (2,3) is an extremity of a diameter of the circle x^(2)+y^(2)-5x-8y...

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  9. The line x/a+y/b=1 meets the axis of and y at A and B respectively and...

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  10. Equation of circle with centre (-1,2) and passing through the centroid...

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  11. The centroid of an equilateral triangle is (0, 0) and the length of th...

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  12. Equation of the circle with radius 10 and whose two diameters are x+y=...

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  13. If a circle is inscribed in a square of side 10, so that the circle t...

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  14. Show that the equation of the circle which pass through the points (1,...

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  15. If the abscissae of points A, B are the roots of the equation x^(2) + ...

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  16. The abscissae of two points A and B are the roots of the equation x^(2...

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  17. The circle described on the line joining the points (0,1), (a,b) as di...

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  18. The equation of the circle passing through (3,0) and (0,4) and having ...

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  19. The line x/a+y/b=1 cuts the coordinate axes at a and B a line perpendi...

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  20. A(cos theta, sin theta), B (sin theta,- cos theta) are two points then...

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