The order and the degree of the differential equation $\frac{d^4y}{dx^4} - 4\frac{d^3y}{dx^3} + 8\frac{d^2y}{dx^2} - 8\frac{dy}{dx} + 4y = 0$ are respectively:

  • A
    $4, 1$
  • B
    $1, 4$
  • C
    $1, 1$
  • D
    None of these

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