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ISI2020-MMA: 13

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Consider the cubic equation $x^{3} = 2x + 5$. Which of the following statements about the above equation is true?

  1. All its roots are real and positive

  2. It has two positive real roots and one negative real root

  3. It has two negative real roots and one positive real root

  4. It has one real root and a pair of complex roots

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