MCQ
$9x^2- 6x - 4 = 0$ have :
- AReal and Equal roots
- BReal roots
- CNo Real roots
- ✓Real and Distinct roots
✓
Answer
Correct option: D.
Real and Distinct roots
$ D=b^2-4 a c $
$ D=(-6)^2-4 \times 9 \times(-4)$
$D = 36 + 144$
$D = 180$
$D > 0.$
Real and Distinct roots.
$ D=(-6)^2-4 \times 9 \times(-4)$
$D = 36 + 144$
$D = 180$
$D > 0.$
Real and Distinct roots.
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