MCQ
Value of $i ($iota$)$ is:
  • A
    $-1$
  • B
    $1$
  • $(-1)^\frac{1}{2}$
  • D
    $(-1)^\frac{1}{4}$

Answer

Correct option: C.
$(-1)^\frac{1}{2}$
Iota is used to denote complex number.
The value of $i ($iota$)$ is $\sqrt{-1}\text{ i.e.}(-1)^\frac{1}{2}$

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