CAT 2017 Slot 2 QA Q24 Equations

Question 24 of the Quantitative Ability (QA) section, CAT 2017 Slot 2, with CAT's official answer.

The minimum possible value of the sum of the squares of the roots of the equation x2 + (a + 3)x - (a + 5) = 0 is
  1. A
    1
  2. B
    2
  3. C
    3
  4. D
    4

Answer: (C) 3 Equations MCQ

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Same concept in other years

See every question on Symmetric functions of roots via sum and product (Vieta).

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