JEE MATHEMATICS MCQ: COMPLEX NUMBERS

1 Easy

1 of 1

Analyzing +4 | -1

z\left( { \ne - 1} \right)

is a complex number such that

\frac{{z - 1}}{{z + 1}}

is purely imaginary, then

\left| z \right| =

View answer and explanation

Correct option: A

Option A (1) is correct because the given condition implies that the magnitude of z is 1.

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