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Algebra

JEE Main level, single correct, medium

1 of 6

Question 1 of 6

The modulus of the complex number $z = \frac{1 + i}{1 - i}$ is:

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Answer: (A) $1$

|z| = \frac{|1+i|}{|1-i|} = \frac{\sqrt{2}}{\sqrt{2}} = 1

JEE Main question paper PDF

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JEE Main 2025 Apr 2 Shift 1 question paper

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JEE Main Mathematics practice question on Algebra, with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.

The modulus of the complex number z=1+i1−iz = \frac{1 + i}{1 - i}z=1−i1+i​ is:

JEE Main question paper PDF

More Mathematics practice

The modulus of the complex number $z = \frac{1 + i}{1 - i}$ is: