Algèbre Flashcards
1
Q
( a + b )^2 =
A
a^2 + 2ab + b^2
2
Q
(a-b)^2 =
A
a^2 - 2ab + b^2
3
Q
a^2 - b^2 =
A
(a-b) (a+b)
4
Q
a^3 - b^3 =
A
(a-b) (a^2 + ab + b^2)
5
Q
a^3 + b^3
A
(a-b) (a^2 - ab + b^2)
6
Q
(a+b)^3
A
a^3 + 3a^2 b + 3ab^2 + b^3
7
Q
Sqrt(ab) =
A
Sqrt(a) . sqrt(b)
8
Q
Sqrt(a/b) =
A
Squrt(a) / sqrt(b)
