Question

Calcule:
a) (2-2i) - (3-i)
b) (2+3i²)
c) 4+4i / 2+5i

Answer 1

a) 2+2i-3+i
-1-i

b)2+3×(-1)
2-3
-1

c) 4+4×i/2+5i
4+2i+5i
4+7i