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Curve --a plane figure formed by joining...

Curve --a plane figure formed by joining a number of points without lifting a pencil from the paper and without retracing any portion of the drawing other than single points is called a curve.

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Knowledge Check

  • Number of triangles that can be formed by joining the 10 non-collinear points on a plane is

    A
    136
    B
    140
    C
    128
    D
    120

  • There are 10 points in a plane out of which 5 are collinear. The number of straight lines than can be drawn by joining these points will be

    A
    35
    B
    36
    C
    45
    D
    24

  • There is curve in which the length of the perpendicular from the orgin to tangent at any point is equal to abscissa of that point. Then,

    A
    `x^2+y^2=2` is one such curve
    B
    `y^2=4x` is one such curve
    C
    `x^2+y^2=2cx` (c parameters) are such curve
    D
    there are no such curves

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