Question

números complexos:

a ) (2 + 3i) + (5 + 4i)

b) 2i + (6 + 9i)

c) (5 + 3i) + 3

d (2 + 3i) - (5 + 4i)

e) 2i - (6 - 9i)

f) (5 + 3i) - 3

Answer 1

Olá!

a) (2 + 3i) + (5 + 4i)

2 + 3i + 5 + 4i

7i + 7

b) 2i + (6 + 9i)

2i + 6 + 9i

9i + 6

c) (5 + 3i) + 3

5 + 3i + 3

3i + 8

d) (2 + 3i) - (5 + 4i)

2 + 3i - 5 - 4i

-i - 3

e) 2i - (6 - 9i)

2i - 6 + 9i

11i - 6

f) (5 + 3i) - 3

5 + 3i - 3

3i + 2

:)