MCQ
$\left|\begin{array}{ll}a+b & a^2+a b+b^2 \\ a-b & a^2-a b+b^2\end{array}\right|=$
  • A
    $2 a^3$
  • $2 b^3$
  • C
    $-2 a^3$
  • D
    $a^3+b^3$

Answer

Correct option: B.
$2 b^3$
B

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