CAT 2017 Slot 1 QA Q22 Equations

Question 22 of the Quantitative Ability (QA) section, CAT 2017 Slot 1, with CAT's official answer.

If x + 1 = x2 and x > 0, then 2x4 is:
  1. A
    6 + 4√5
  2. B
    3 + 5√5
  3. C
    5 + 3√5
  4. D
    7 + 3√5

Answer: (D) 7 + 3√5 Equations MCQ

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