Resolver as equações:

a) x 4 0

2

+ = S = {− ,i2 i2}

b) 0 x 16 2

+ = S = {− ,i4 i4}

c) 0 x 4x 5

2

− + = S = {2 + ,i 2 − i}

d) 0 x 6x 10 2

− + = S = {3 + ,i 3 − i}

e) 0 2x 2x 1

2

− + = 









 + −

=

2

1 i

,

2

1 i

S

f) 0​