90
The roots of the quadratic equation $x^2 + 9 = 0$ are
- (a)real and equal
- (b)not real
- (c)real and negative of each other
- (d)rational numbers
Show SolutionHide Solution↓
Answer (B) not real
The roots of the quadratic equation x2 + 9 = 0 are
CBSE Class 10 Maths PYQ · Quadratic Equations · Find roots · 1 Mark · March 2026 · Basic
Solve it yourself first — then press ↓ or tap Show Solution. Use ← → for previous / next question.