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BCECE Engineering BCECE Engineering Solved Paper-2009

  • question_answer
    The order of the differential equation of all tangent lines to the parabola \[y={{x}^{2}}\]is

    A)  1                            

    B)  2                            

    C)  3                            

    D)  4

    Correct Answer: A

    Solution :

    Given curve is \[y={{x}^{2}}\] For this curve there is only one tangent line ie,             \[x-\]axis \[(y=0)\] \[\therefore \,\,\,\,\,\,\,\,\frac{dy}{dx}=0\] Hence, order is 1.


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