Question

Efetue as operações
A) (2+5i)-(3-2i)
B)(4+5i)+(2+3i)
C)(4+5i)x(2+3i)

Answer 1

A) 2+5i-3+2i
-1+7i

B) 4+5i+2+3i
6+8i

C) 8+12i+10i+15i²
     8+22i+15(√(-1))²
     8+22i+15*(-1)
     8+22i-15
     -7+22i