MCQ
$3x^2+ 2x - 1 = 0$ have :
- AReal and equal root
- BReal roots
- ✓Real and Distinct roots
- DNo Real roots
✓
Answer
Correct option: C.
Real and Distinct roots
$D = b^2- 4ac$
$D = 2^2- 4 \times 3 \times (-1)$
$D = 4 + 12$
$D = 16$
$D > 0$.
Real and distinct roots.
$D = 2^2- 4 \times 3 \times (-1)$
$D = 4 + 12$
$D = 16$
$D > 0$.
Real and distinct roots.
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