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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

For x ∈ R , the expression (x^2+2x+c)/(x^2+4x+3c) can take all real...

For x∈Rx \in R, the expression x2+2x+cx2+4x+3c\frac{x^2+2x+c}{x^2+4x+3c} can take all real values if c∈c \in :

Options

  1. A(1,2)(1, 2)
  2. B(0,1)(0, 1)
  3. C(−1,0)(-1, 0).

Correct answer

C. (−1,0)(-1, 0).

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