Chapter 4- Roots Of Polynomials Flashcards
1
Q
What is Σα?
A
-b/a
2
Q
What is Σαβ?
A
c/a
3
Q
What is Σαβγ?
A
-d/a
4
Q
What is Σαβγδ?
A
e/a
5
Q
Rules for sum of squares
A
(Σα)^2 - 2(Σαβ)
6
Q
Rule for sum of cubes in quadratics
A
(Σα)^3 - 3αβ(α+β)
7
Q
Rule for sum of cubes in cubics
A
(Σα)^3 - 3(Σα)(Σαβ) + 3αβγ
8
Q
α^n x β^n = ?
A
(αβ)^n
