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Black Advanced Problems in Mathematics
Exam
Black Advanced Problems in Mathematics
Subject
Mathematics
Chapter
Quadratic Equation

Black Advanced Problems in Mathematics · Mathematics · Quadratic Equation

Complete set of real values of 'a' for which the equation x^4 -...

Complete set of real values of 'a' for which the equation x4−2ax2+x+a2−a=0x^4 - 2ax^2 + x + a^2 - a = 0 has all its roots real :

Options

  1. A[3/4,∞)[3/4, \infty)
  2. B[1,∞)[1, \infty)
  3. C[2,∞)[2, \infty)
  4. D[0,∞)[0, \infty).

Correct answer

A. [3/4,∞)[3/4, \infty)

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