Question

Calcule :
A ) (2+5i) + (6-3i)
B) (4-8i)-(2+i)

Answer 1

A ) (2+5i) + (6-3i) = (2+6)+(5i-3i)= 8 +2i

B) (4-8i)-(2+i)= (4-2)+(-8i-i)= 2 -9i