The equation x² + 1 = 0 has how many real roots?
- One
- Two
- No real roots
- None of these
Explanation
x² + 1 = 0 gives x² = -1.
The square of a real number cannot be negative.
Therefore, the equation has no real roots.
Last verified on 14-11-2026
Related MCQs
- One
- Two
- No real roots
- None of these
اس سوال کو وضاحت کے ساتھ پڑھیں
- Cramer's rule
- Trapezoidal rule
- Euclidean algorithm
- None of these