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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

In the above problem, if roots of equation f(x) = 0 are non-real complex, then which of the following is false ?

Options

  1. Af(x) = x 4 must have 2 solutions
  2. B4a - 2b + c < 0
  3. CIf _ f(2) f(3) is not defined, then f(x) 1 x R
  4. DAll a, b, c are positive.

Correct answer

A. f(x) = x 4 must have 2 solutions

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