if alpha and beta are the zeros of the polynomial X square + bx + c then evaluate beta upon a*alpha + b + Alpha Upon A* beta + b
Answers
Answered by
2
Answer:
If alpha,beta are roots of a quadratic equation ax^2+bx+c=0,then
alpha+beta=-b/a
alpha*beta=c/a
Therefore,alpha sq.+beta sq. =(alpha+beta)^2-2.alpha.beta
=(-b/a)^2-2*c/a
=b^2/a^2-2c/a
=(b^2-2ac)/a^2
Step-by-step explanation:
Answered by
5
Attachments:
Similar questions