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`        let alpha and beta be real and z be a complex number. if z^2+alpha Z+ beta=0 has 2 disntinct roots on the line Re(z)=1,then it is necessary that,`
2 years ago

Red
11 Points
```							Let z1=p+iq and z2=p-iq, as its roots are complex so they are conjugate.Z1+ z2=-alpha2p=-alpha....(1)Real part of z is 1,p=1.Alpha =-2.D1
```
one year ago
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• 101 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions