CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

If α,β are the roots of the equation x2+2x15=0 then find the values of α3+β3

Open in App
Solution

Here a=1,b=2,c=15

Sum of the roots=ba=21=2

Product of the roots=ca=151=15

α3+β3=(α+β)33αβ(α+β)

α3+β3=(2)33×15(2)

α3+β3=890=98

α3+β3=98

flag
Suggest Corrections
thumbs-up
0
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Definition of Function
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon