MCQ
$\alpha^3+\beta^3=$ _____ .
- ✓$(\alpha+\beta)^3-3 \alpha \beta(\alpha+\beta)$
- B$(\alpha-\beta)^3+3 \alpha \beta(\alpha-\beta)$
- C$(\alpha+\beta)^3-3 \alpha \beta(\alpha-\beta)$
- D$(\alpha-\beta)^3-3 \alpha \beta(\alpha-\beta)$
✓
Answer
Correct option: A.
$(\alpha+\beta)^3-3 \alpha \beta(\alpha+\beta)$
$(\alpha+\beta)^3-3 \alpha \beta(\alpha+\beta)$
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