8. If α and β are the zeroes of the quadratic polynomial p(x) = 4x2 – 5x +1, then find the value of α2β + β2α
Answers
Answered by
5
Step-by-step explanation:
Hope it helps you in your learning process.
Attachments:
Answered by
3
α²β+αβ²=αβ(α+β)=(-1/4)(5/4)=-5/16
If the quadratic equation is in the form
ax²+bx+c=0
then SUM OF ROOTS=-b/a
and product of roots=c/a
so if the equation is 4x²-5x-1
then a=4,b=-5,c=-1
so sum of roots=α+β=5/4
then product of roots=αβ=-1/4
so α²β+αβ²=αβ(α+β)=(-1/4)(5/4)=-5/16
Similar questions