If n is a positive integer, then ( 1+i 1-i )4n+1 is equal to: - Vidyadip

MCQ

If n is a positive integer, then $\Big(\frac{1+\text{i}}{1-\text{i}}\Big)4\text{n}+1$ is equal to:

A
1
B
-1
C
i
D
-i

✓

Answer

i

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