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CHAPTER-11 CONIC SECTIONS


                                                       WORKSHEET


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                   1.  The centre of the circle    +    − 4   + 6   = 12  is …
                       (a)  (0,3) (b) (1,2) (c) (2,-3) (d) (1,3)
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                   2.  The coordinates of the foci of the parabola    = −16   is
                       (a)  (0,4)  (b) (0,-4)  (c) (-4,0)  (d) (4,0)
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                   3.  The eccentricity of the ellipse 16   + 25   = 400 is
                          3        1         2             4
                       (a)          (b)             (c)                     (d)
                          5        5         5             5
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                   4.  The equation of the directrix of the parabola    = 6   is ………….
                                                                           2
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                   5.  The length of the latus rectum of the hyperabola 16   − 9   = 144 is………………………
                   6.  Find the equation of circle passing through the points (4,1) and (6,5) and whose centre is
                       on the line 4x + y = 16
                   7.  Find the equation of the circle passing through (0,0) and making intercepts a and b on
                       the coordinate axes.
                   8.  Find the equation of parabola with vertex (0,0) passing through (2,3) and axis is along x-
                       axis.
                   9.  Find the equation of parabola with Vertex (0,0), passing through (5,2) and symmetric
                       with respect to y-axis.
                   10. Find the equation of ellipse whose major axis on the x-axis and passes through the
                       points (4,3) and (6,2).

                   11. Find  the coordinates of the foci, the vertices, the length of major axis, the minor axis,
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                       the eccentricity and the length of the latus rectum of the ellipse 16   +    = 16
                                                                                           √11
                   12. Find the equation of the hyperbola with foci (0, ± 3) and vertices (0, ±    )
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