Question
The least positive integer n which will reduce (i−1i+1)nto a real number , is
Answer: Option A
:
A
(i−1i+1×i−1i−1)n=(−2i−2)n=in
Hence, to make the real number the least positive integar is 2.
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:
A
(i−1i+1×i−1i−1)n=(−2i−2)n=in
Hence, to make the real number the least positive integar is 2.
Was this answer helpful ?
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