MCQ
$\frac{d^2}{d x^2}\left(x^{20}\right)=$
  • A
    $20 x^{19}$
  • $380 x^{18}$
  • C
    380
  • D
    $220 x^{19}$

Answer

Correct option: B.
$380 x^{18}$
B

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