If b² - 4 ac < 0 then the roots are _____?
- Unequal and imaginary
- Equal and imaginary
- Equal and real
- None of these
Explanation
If b² - 4ac < 0, the discriminant is negative, meaning the quadratic equation has complex (imaginary) roots.
These roots are conjugate pairs and unequal.
Related MCQs
- 2x + 2
- 2x - 8
- 2x - 5
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- 2x² + 4 = 9x
- 2x² + 9 = 4x
- 2x² + 9 = 4x
- x² + 4 = 9x
اس سوال کو وضاحت کے ساتھ پڑھیں
