Minitest N01 −−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−→
Nom : Pr´enom : On consid`ere z
1 = 1 + 2i et z
2 = 3−4i
Sans calculatrice (ni t´el´ephone ;-) et en indiquant les ´etapes, ´ecrire sous forme alg´ebrique, les r´esultats suivants :
z1+z
2 =
z1−z2 =
z1×z
2 =
1 z1
=
z2
1 =
✄. . . .
Minitest N02 −−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−−→
Nom : Pr´enom : On consid`ere z
1 = 4 +iet z
2 = 3−2i
Sans calculatrice (ni t´el´ephone ;-) et en indiquant les ´etapes, ´ecrire sous forme alg´ebrique, les r´esultats suivants :
z1−z
2 =
z1+z2 =
z1×z
2 =
1 z1
=
z2
2 =
1
