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If iz^(4) + 1 =0 then z can take the va...

If `iz^(4) + 1 =0` then z can take the value

A

`(1+i)/sqrt2`

B

`cos""pi/8+isin""pi/8`

C

`1/(4i)`

D

`i`

Text Solution

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The correct Answer is:
B
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