Page 59 - Mathématiques RAC1 volume 1 2020

P a g e | 58

Exercice 8.8 Calcule les carrés :

2
a) (– 2 3 ) =

2
b) (5 2 ) =

2
c) (– 2 7 ) =

2
d) (3 2 ) =

2
e) (2 11 ) =

2
f) (6 3 ) =

2
g) (– 9 11 ) =

Exercice 8.9 Calcule :

a) ( 2 + 1 )( 2 + 3 ) =

b) ( 2 + 1 )( 2 – 3 ) =

)
2
c) ( 2 + 1 =

d) ( 5 + 2 )(1 + 5 ) =

)
2
e) ( 3 + 2 =

f) ( 2 + 1 )( 2 – 1 ) =

ES Nyon-Marens BAMV ed 2020 maths Rac2