Quadratic EquationHard
Question
If f(x) = 4x2 + 3x − 7 and α is a common root of the equation x2 − 3x + 2 = 0 and x2 + 2x − 3 = 0 then the value of f(α) is -
Options
A.3
B.2
C.1
D.0
More Quadratic Equation Questions
If f (x) = ax2 + bx + c, g (x) = −ax2 + bx + c, where ac ≠ 0, then f (x) g (x) = 0 has -...Let a, b, c be real numbers, a ≠ 0. If α is a root of a2x2 + bx + c = 0, β is the root of a2x2 - bx - c ...For what value of m, the roots of the equation x2 − x + m = 0 are not real-...Let f (x) be a quadratic expression which is positive for all real values of x.If g (x) = f(x) + f′(x) + f′&...Let α, β be the roots of the equation x2 - px + r = 0 and , 2β be the roots of the equation x2 - qx + r =...