Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Two complex numbers a and β are such

 that α+β=2 and α4+β4=272, then the quadratic equation 

 whose roots are α and β can be 

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

x22x16=0

b

x22x+12=0

c

x22x8=0

d

none of these

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

          α+β=2α2+β2+2αβ=4
 α2+β2=42αβα2+β22=1616αβ+4α2β2 α4+β4+2α2β2=1616αβ+4α2β2 272+2(αβ)2=1616αβ+4(αβ)2 2(αβ)216(αβ)256=0 (αβ)28(αβ)128=0 (αβ16)(αβ+8)=0 αβ=16 or αβ=8

Thus, required equation is either

or       x22x+16=0x22x8=0

 Required answer is (c).

Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring