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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

The sum of all the real roots of equation x^4 - 3x^3 - 2x^2 - 3x + 1 = 0 is :

Options

  1. A1
  2. B2
  3. C3
  4. D4.

Correct answer

D. 4.

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