Find the value a2 + ß2 and (a - ß)2, Mathematics

If  α,β are the zeros of the polynomial 2x2 - 4x + 5 find the value of a) α2 + β2  b) (α - β)2.

Ans: p (x) = 2 x2 - 4 x + 5           (Ans: a) -1 , b) -6)

α + β = -b /a = 4/2 = 2

α β = c/a = 5/2

α2 + β2 = (α + β)2 - 2 α β

Substitute then we get, α 2+ β2 = -1

(α - β)2 = (α + β)2  - 4 α β

Substitute, we get  = (α - β)2  = - 6


Posted Date: 4/8/2013 1:38:07 AM | Location : United States

Related Discussions:- Find the value a2 + ß2 and (a - ß)2, Assignment Help, Ask Question on Find the value a2 + ß2 and (a - ß)2, Get Answer, Expert's Help, Find the value a2 + ß2 and (a - ß)2 Discussions

Write discussion on Find the value a2 + ß2 and (a - ß)2
Your posts are moderated
Related Questions
Implicit Differentiation : To this instance we've done quite a few derivatives, however they have all been derivatives of function of the form y = f ( x ) .  Unluckily not all

I want to complete my assignment, please explain me what is Inequalities?

sin(xy)+x=5y Find the derivative.

How do you find the distributive property any faster?

to use newspaper and report on share and dividend

I need help with my homework, I am to the edge right now with this w=5pq/2

How can i get a better understanding of logistics without having a degree on logistics and knowledge of it? Simply, in a very basic form..

A farmer grows apples on her 400-acre farm and must cope with occasional infestations of worms. If she refrains from using pesticides, she can get a premium for "organically grown"