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Differential Equations

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Multiple Choice

What is the general solution of the differential equation $\frac{dy}{dx} = 2x + 1$?

  1. $y = x^2 + x + C$
  2. $y = 2x^2 + x + C$
  3. $y = x^2 + 2x + C$
  4. $y = 2x^2 + 2x + C$