defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Mathematics Complex Numbers Imaginary Number i and its properties
The smallest positive integer for which \(\rm \left(\frac{1-i}{1+i}\right)^{n}=-1\), where i = √-1, is:
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The smallest positive integer for which \(\rm \left(\frac{1-i}{1+i}\right)^{n}=-1\), where i = √-1, is: