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Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation

The expression ax^2 + 2bx + c , where 'a' is non-zero real number, has same sign as that of 'a' for every real value of x, then roots of quadratic equation ax^2 + (b-c)x - 2b - c - a = 0 , are :

Options

  1. Areal and equal
  2. Breal and unequal
  3. Cnon-real having positive real part
  4. Dnon-real having negative real part.

Correct answer

B. real and unequal

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