ExamBro
ExamBro
enEnglishhiहिन्दीguગુજરાતી
JEE Mains · Maths · STD 11 - 4.1 complex nubers

\(|z|=1\) અને \(\left|\frac{z}{\bar{z}}+\frac{\bar{z}}{z}\right|=1\) ને સંતોષતી સંકર સંખ્યાઓ \(z\) ની સંખ્યા કેટલી છે :

  1. A 4
  2. B 8
  3. C 10
  4. D 6
Verified Solution

Answer & Solution

Correct Answer

(B) 8

Step-by-step Solution

Detailed explanation

\(\begin{aligned} & |z|=1 \\ & \left|\frac{z}{\bar{z}}+\frac{\bar{z}}{z}\right|=1 \\ & \Rightarrow\left|z^2+(\bar{z})^2\right|=1 \end{aligned}\) Let \(z=x+i y\)…
Same subject
Explore more questions on app
From JEE Mains
Explore more questions on app