The area of the triangle formed by the tangents from the point (4, 3) to the circle $${x^2} + {y^2} = 9$$ and the line joining their points of contact is...................
Answer
$${{192} \over {25}}$$
2
IIT-JEE 1986
Fill in the Blanks
The equation of the line passing through the points of intersection of the circles $$3{x^2} + 3{y^2} - 2x + 12y - 9 = 0$$ and $${x^2} + {y^2} - 6x + 2y - 15 = 0$$ is..............................
Answer
10x - 3y - 18 = 0
3
IIT-JEE 1986
Fill in the Blanks
From the point A(0, 3) on the circle $${x^2} + 4x + {(y - 3)^2} = 0$$, a chord AB is drawn and extended to a point M such that AM = 2AB. The equation of the locus of M is..........................
Answer
$${x^2} + {y^2} + 8x - 6y + 9 = 0$$
4
IIT-JEE 1985
Fill in the Blanks
From the origin chords are drawn to the circle $${(x - 1)^2} + {y^2} = 1$$. The equation of the locus of the mid-points of these chords is.............
Answer
$${x^2} + {y^2} - x = 0$$
Questions Asked from Circle
On those following papers in Fill in the Blanks
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