Roots of polynomials Flashcards
1
Q
What is the sum of roots / a
A
-b/a
2
Q
What is the sum of products
A
c/a
3
Q
What is the sum of product triplets
A
-d/a
4
Q
What is the multiplication of roots
A
e/a
5
Q
1/a + 1/b =
A
a + b /ab
6
Q
1/a + 1/b +1/c
A
ab + bc +ca / abc
7
Q
(ab)^2
A
a^2 x b^2
8
Q
a^2 + b^2=
A
(a+b)^2 -2ab
9
Q
a^3 + b^3
A
(a+b)^3 - 3ab(a+b)
10
Q
How to solve the linear transformation of roots
A
use substitution and other letters
