CN_JEE-Main_2019_12-01-2019_S1 - Competishun – Live JEE & NEET Courses and Exam Prep

JEE MAIN 2019

12-01-19 S2

Question

If $\frac{z-\alpha}{z+\alpha}(a \in R)$ is a purely imaginary number and $|z|=2$, then a value of $\alpha$ isv

Select the correct option:

A

$\sqrt{2}$

B

2

C

$\frac{1}{2}$

D

1

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Mathematics

Medium

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