Quadratic EquationHard
Question
The roots of the equation x4 - 8x2 - 9 = 0 are-
Options
A.± 3, ±1
B.± 3, ±i
C.±2, ±i
D.None of these
More Quadratic Equation Questions
If x be real then the value of will not lie between -...If the equation = 1 has roots equal in magnitude but opposite in sign, then the value of a + b is -...The roots of the equation (a2 + b2) x2 − 2(bc + ad) x + (c2 + d2) = 0 are equal, if -...Given that the equation $\frac{x}{x + 1} + \frac{x + 1}{x} = \frac{4x + a}{x(x + 1)},a \in R$, has only one real root, t...If equations ax + by = 1 and cx2 + dy2 = 1 has only one solution, then -...