JEE Main & Advanced Mathematics Differential Equations Question Bank Linear defferential equations

  • question_answer
    The solution of \[\frac{dy}{dx}+p(x)y=0\] is   [Kerala (Engg.)  2002]

    A)                 \[y=c{{e}^{\int{p\,d\,x}}}\]             

    B)                 \[x=c{{e}^{-\int{p\,d\,y}}}\]

    C)                 \[y=c{{e}^{-\int{P\,d\,x}}}\]            

    D)                 \[x=c{{e}^{\int{p\,d\,y}}}\]

    Correct Answer: C

    Solution :

                       \[\frac{dy}{dx}+p(x)y=0\]. It is a linear differential equation         I.F. \[={{e}^{\int{pdx}}}\] \ Required solution is \[y{{e}^{\int{pdx}}}=0+c\] Þ \[y=c{{e}^{-\int{pdx}}}\].


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