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If the lines 3x - 4y- 7 = 0 and 2x - 3y-...

If the lines 3x - 4y- 7 = 0 and 2x - 3y- 5 = 0 are two diameters of a circle of area `49 pi` square units, then the equation of the circle is :

A

`x^2+ y^2+ 2x - 2y - 47 =0`

B

`x^2+ y^2+ 2x - 2y - 62 =0`

C

`x^2+ y^2 - 2x + 2y- 62 =0`

D

`x^2+ y^2- 2x + 2y-47=0` .

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MODERN PUBLICATION-CONIC SECTIONS-EXERCISE
  1. A straight line through the point A(3,4) is such that its intercept be...

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  2. If (a,a^(2)) falls inside the angle made by the lines y = x/2 , x gt ...

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  3. If the lines 3x - 4y- 7 = 0 and 2x - 3y- 5 = 0 are two diameters of a ...

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  4. Let C be the circle with centre (0, 0) and radius 3 units. The equatio...

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  5. The locus of the vertices of the family of parabolas y=(a^3x^2)/3+(a^2...

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  6. Angle between the tangents to the curve y=x^2-5x+6 at the points (2,0)...

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  7. The axis of a parabola is along the line y=x and the distance of its v...

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  8. The equation of the common tangents to the parabola y = x^2 and y=- (x...

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  9. Let a hyperbola passes through the focus of the ellipse (x^(2))/(25)-(...

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  10. If one of the lines of my^2+(1-m^2) xy-mx^2=0 is a bisector of the ang...

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  11. Let ABCD be a quadrilateral with area 18, with side AB parallel to the...

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  12. Consider a family of circles which are passing through the point (-1,1...

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  13. The equation of a tangent to the parabola y^2=""8x""i s""y""=""x""+"...

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  14. A hyperbola having the transverse axis of length 2sintheta, is confoca...

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  15. For the hyperbola (x^(2))/(cos^(2)alpha)-(y^(2))/(sin^(2)alpha)=1, whi...

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  16. The perpendicular bisector of the line segment joining P(1,4) and Q (k...

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

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  18. A parabola has the origin as its focus and the line x=2 as the directr...

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  19. A focus of an ellipse Is that the rigin. The directrix is the line x=4...

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  20. Consider three points : P (- sin (beta- alpha), - cos beta), Q = (cos...

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