Black Book Advanced Problems in MathematicsMathematicsQuadratic Equation
Paragraph: **** Let f(x) = ax^2 + bx + c, a 0 , such that f(-1-x) = f(-1+x) x R . Also given that f(x) = 0 has no real roots and 4a + b > 0 . Let p = b - 4a, q = 2a + b , then pq is :
Options
- Anegative
- Bpositive
- C0
- Dnothing can be said **Paragraph for Question Nos. 3 to 4** If , are the roots of equation (k + 1)x^2 - (20k +
Correct answer
A. negative
Step-by-step solution
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