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10th Class Mathematics Coordinate Geometry Question Bank Co-ordinate Geometry

  • question_answer
    The ordinate of the point which divides the line joining the origin and the point (1, 2) externally in the ratio of 3 : 2 is

    A)  - 2                                         

    B)  \[\frac{3}{5}\]

    C)  \[\frac{2}{5}\]                 

    D)         6  

    Correct Answer: D

    Solution :

     Co-ordinates of the required point will be \[y=\frac{{{m}_{1}}{{y}_{2}}-{{m}_{2}}{{y}_{1}}}{{{m}_{1}}-{{m}_{2}}}\] \[=\frac{3\times 2-2\times 0}{3-2}=6\]


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