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JEE Main & Advanced Mathematics Differential Equations Question Bank Order and degree of differential equations

  • question_answer
    Order of the differential equation of the family of all concentric circles centered at (h, k)  is           [EAMCET 2002]

    A)                 1   

    B)                 2

    C)                 3             

    D)                 4

    Correct Answer: A

    Solution :

                       \[{{(x-h)}^{2}}+{{(y-k)}^{2}}={{r}^{2}}\]. Here r is arbitrary constant                                 \ order of differential equation = 1.


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