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The centre of circle inscribed in a s...

The centre of circle inscribed in a square formed by lines `x^2-8x+12=0a n dy^2-14 y+45=0` is `(4,7)` `(7,4)` `(9,4)` `(4,9)`

A

(4,9)

B

(9,4)

C

(7,4)

D

(4,7)

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The correct Answer is:
D
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CBSE COMPLEMENTARY MATERIAL-COORDINATE GEOMETRY-section(D) (Long Answer Type Questions ) (6 Marks)
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  2. Prove that the points (1, 2), (3, - 4), (5, -6) and (11,-8) are concyc...

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  8. Find the equation of the ellipse whose minor aixs is equal to the dist...

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  9. Find the equation of the hyperbola whose axes (transverse and conjugat...

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  11. The equation of the ellipse whose focus is (1,0) and the directr...

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  12. Prove that the area of the traingle inscribed in the parabola y^2=4ax ...

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  13. The equation of the tangent to the circle x^(2)+y^(2)-2x-4y-4=0 which ...

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  14. find the equations of tangents to the circle x^2+y^2-4x-6y-12=0 which ...

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  15. Find the equation of the parabola whose focus is (1,-1) and whose vert...

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  16. Find the equation of the hyperbola whose directrix is 2x+y=1, focus(1,...

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  17. find the equation of cicle in the following case touches both the ...

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  18. find the equation of circle in each of the following cases ...

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  19. find the equation of cicle in each of the following cases ) (c)touche...

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