What is the nature of the roots of the equation 4x² + x + 1 = 0?
- Real and unequal
- Real and equal
- Imaginary and unequal
- None of these
Explanation
The discriminant D = b^2 - 4ac = 1^2 - 4(4)(1) = 1 - 16 = -15.
Since D = -15 < 0, the roots are Imaginary and unequal.
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