Verified answer

Réponse :

Explications étape par étape :

3z1-2z2=3(-2+3i)-2(4-i)

-6+9i-8+2i

=-14+11i

z1*z2=(-2+3i)(4-i)

=-8+2i+12i+3

=-5+14i

zi²=(-2+3i)²

=4-12i-9

=-5-12i

z2²=(4-i)²

=16-8i-1

=15-8i

z2^3=(4-i)²(4-i)

=(15-8i)(4-i)

=60-15i-32i-8

=52-47i