समीकरण $(x+1)^4 + 81 = 0$ का एक मूल है

  • A
    $3\left(\frac{1+i}{\sqrt{2}}\right)$
  • B
    $-\left(\frac{3+\sqrt{2}+3i}{\sqrt{2}}\right)$
  • C
    $-1 + 3\left(\frac{1+i}{\sqrt{2}}\right)$
  • D
    $-1 + 3\left(\frac{1-i}{\sqrt{2}}\right)$

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