Question

Resolva
(A) (3+4i)²
(B) (2-i²)

Answer 1

Resposta:

Explicação passo-a-passo:

(3+4i)²=

(3+4i)(3+4i)=

9+12i+12i+16i²=

9+24i+16.-1=

9-16+24i=

-7+24i

(2-i)²=

(2-i)(2-i)=

4-2i-2i+i²=

4-4i+i²=

4-4i-1=

3-4i