^3+ ^3= _____ . - Vidyadip

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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