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Equation of circle with centre (-1,2) an...

Equation of circle with centre (-1,2) and passing through the centroid of triangle formed by (3,1),(2,-1) and (1,3) is

A

`x^(2)+y^(2)-x+2y-5=0`

B

`x^(2)+y^(2)+x-2y-5=0`

C

`x^(2)+y^(2)-2x+4y-5=0`

D

`x^(2)+y^(2)+2x-4y-5=0`

Text Solution

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The correct Answer is:
D
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AAKASH SERIES-CIRCLES-PRACTICE EXERCISE
  1. If (2,3) is an extremity of a diameter of the circle x^(2)+y^(2)-5x-8y...

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

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

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

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

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

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

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

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

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

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

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

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

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  14. A circle of radius r passes through the origin and meets the axes at A...

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  15. A rod AB of length 3 units moves vertically with its bottom B always a...

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  16. A square is inscribed in the circle x^(2)+y^(2)-2x+4y-93=0 with its si...

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  17. An equilateral triangle is inscribed in the circle x^(2)+y^(2)=a^(2). ...

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  18. Find the equation of image circle of the circle x^(2)+y^(2)-2x=0 in th...

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  19. The shortest distance of (-5,4) to the circle x^(2)+y^(2)-6x+4y-12=0 i...

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  20. The circle passing through (0,0),(a,0), (0,b) is

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