JEE MATHEMATICS MCQ: COMPLEX NUMBERS

1 Easy

1 of 1

Application +4 | -1

\left(\frac{1+i}{1-i}\right)^n=-1, \mathrm{n} \in \mathbf{N}

, then least value of

n

View answer and explanation

Correct option: B

Option B (2) is correct because the least positive integer value of n that satisfies the equation is 2, as (1+i)/(1-i) simplifies to i, and i² = -1.

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