MCQ
The value of ${(1 + i)^5} \times {(1 - i)^5}$ is
  • A
    $-8$
  • B
    $8i$
  • C
    $8$
  • $32$

Answer

Correct option: D.
$32$
d
(d) ${(1 + i)^5}{(1 - i)^5} = {(1 - {i^2})^5} = {2^5} = 32$.

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