Question

if Z=-2-√-5 then z bar=​

Answer 1

Step-by-step explanation:

ANSWER

z=2+

3

i

z

ˉ

=2−

3

i

z.

z

ˉ

=(2+

3

i)(2−

3

i)

=2

2

−3(i

2

)

=4+3(1)=7