यदि $y=e^{\tan ^{-1} x}$ है, तो:

  • A
    $(1+x^2) y_2+(2 x-1) y_1=0$
  • B
    $(1+x^2) y_2+2 x y=0$
  • C
    $(1+x^2) y_2-y_1=0$
  • D
    $(1+x^2) y_2+3 x y_1+4 y=0$

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