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The equation of a circle with radius 5 a...

The equation of a circle with radius 5 and touching both the coordinate axes is `x^2+y^2+-10 x+-10 y+5=0` `x^2+y^2+-10 x+-10 y=0` `x^2+y^2+-10 x+-10 y+25=0` `x^2+y^2+-10 x+-10 y+51=0`

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The equation of the circle of radius 5 in the first quadrant which touches the x-axis and the line 3x-4y=0 is x^2+y^2-24 x-y-25=0 x^2+y^2-30 x-10 y+225=0 x^2+y^2-16 x-18 y-64=0 x^2+y^2-20 x-12 y+144=0

The equation of the parabola whose focus is (1,-1) and the directrix is x+y+7=0 is (a) x^2+y^2-2x y-18 x-10 y=0 (b) x^2+y^2-18 x-10 y-45=0 (c) x^2-18 x-10 y-45=0 (d) x^2+y^2-2x y-18 x-10 y-45=0

The centres of the three circles x^2 + y^2 - 10x + 9 = 0, x² + y^2 - 6x + 2y + 1 = 0, x^2 + y^2 - 9x - 4y +2=0

Find the centre and radius of the circle x^2+y^2+10 x-12 y+9=0

Find the angle between the circles given by the equations. x^2 + y^2 + 6x - 10y - 135 = 0, x^2 + y^2 - 4x+14y - 116 = 0

Find the centre and radius of the circle 3x^2 + 3y^2 - 8x - 10y + 3=0

The equation of the ellipse with focus (-1,1) directrix x-y+3=0 and eccentricity is a. 7x^2+2x y+7y^2+10 x+10 y+7=0 b. 7x^2+2x y+7y^2+10 x-10 y+7=0 c. 7x^2+2x y+7y^2+10 x-10 y+7=0 d. None of these

Find the centre and radius of the circles x^2+y^2-8x+10 y-12=0

Find the equation of circle passing through the origin and cutting the circles x^(2) + y^(2) -4x + 6y + 10 =0 and x^(2) + y^(2) + 12y + 6 =0 orthogonally.

Find the transverse common tangents of the circles x^(2) + y^(2) -4x -10y + 28 = 0 and x^(2) + y^(2) + 4x - 6y + 4= 0.

RD SHARMA ENGLISH-THE CIRCLE-All Questions
  1. Write the coordinates of the centre of the circle passing through (...

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  2. Write the area of the circle passing through (-2, 6) and having its ...

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  3. If the abscissa and ordinates of two points Pa n dQ are the roots of t...

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  4. Write the equation of the unit circle concentric with x^2+y^2-8x+4y-8=...

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  5. Find the number of integral values of lambda for which x^2+y^2+lambdax...

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  6. Write the equation of the circle passing through (3,4) and touching ...

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  7. If the line y=m x does not intersect the circle (x+10)^2+(y+10)^2=180 ...

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  8. Write the coordinates of the center of the circle inscribed in the s...

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  9. The equation x^2+y^2+2x-4y+5=0 represents a. a point b. a pair of s...

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  10. If the equation (4a-3)x^2+a y^2+6x-2y+2=0 represents a circle, then it...

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  11. The equation of the circle passing through the point (1,1) and having ...

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  12. If the centroid of an equilateral triangle is (1,1) and its one vertex...

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  13. The equation of the incircle of the triangle formed by the axes and th...

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  14. The equation of a circle with radius 5 and touching both the coordinat...

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  15. The equation of the circle passing through the origin which cuts of ...

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  16. The area of an equilateral triangle inscribed in the circle x^2+y^2-6x...

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  17. If the circles x^2+y^2=a\ a n d\ x^2+y^2-6x-8y+9=0 touch externally th...

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  18. If (x ,3)a n d\ (3,5) are the extremities of a diameter of a circle wi...

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  19. Equation of the diameter of the circle x^2+y^2-2x+4y=0 which passes th...

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  20. Equation of the circle through origin which cuts intercepts of length ...

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