Question

CALCULE: a) (6+5i) + (2-i) b) (6-i)+(4+2i)-(5-3i) c) (2/3+i)-(1/2-i)+(4-2i)

Answer 1

Boa tarde Nanda

a) 

(6 + 5i) + (2 - i) = 8 + 4i

b) 

(6 - i) + (4 + 2i) - (5 - 3i) = 6 + 4 - 5 - i + 2i - 3i = 5 - 2i 

c) 

(2/3 + i) - (1/2 - i) + (4 - 2i) = 2/3 - 1/2 + 4 + i  + i - 2i = 

4/6 - 3/6 + 24/6 = 25/6