Answers

2014-04-27T18:01:43+05:30
Α²β+αβ²=αβ(α+β)=(-1/4)(5/4)=-5/16
explanation:
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 is4x²-5x-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
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mark as best please
now look and mark as best
2014-04-27T18:03:02+05:30
5/16 is your answer hope this helps!!
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