If a, b ∈ R & the quadratic equation ax 2 – bx + 1 = 0 has imaginary roots then a + b + 1…

Mathematics · JEE Main · NTA ExamsComplex Numbers and Quadratic Equations

If a, b ∈ R & the quadratic equation ax2 – bx + 1 = 0 has imaginary roots then a + b + 1 is
  1. positive
  2. negative
  3. zero
  4. depends on the sign of b

Answer

(A) positive

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