Quadratic EquationHard
Question
If the roots of x2 − 4x − log2a = 0 are real, then-
Options
A.a ≥ 
B.a ≥ 
C.a ≥ 
D.None of these
More Quadratic Equation Questions
A value of b for which the equations x2 + bx - 1 = 0 x2 + x + b = 0,have one root in common is...If the value of quadratic trinomial $ax^{2} - bx + c$ is an integer for $x = 0,x = 1$ and $x = 2$, then the valueof the ...The roots of the equation ax2 + bx + c = 0 will be imaginary if -...The quadratic equation p(x) = 0 with real coefficients has purely imaginary roots. Then the equation p(p(x)) = 0 has...Let α and β be the distinct roots of ax2 + bx + c = 0, then isequal to...