Answer:
see explanation
Step-by-step explanation:
Given a complex number in standard form a ± bi , then
the conjugate is a ∓ bi
That is the real part is unchanged while the sign of the imaginary part changes.
(22)
The conjugate of [tex]\sqrt{7}[/tex] is - [tex]\sqrt{7}[/tex] ( treat the real part as 0 )
(23)
The conjugate of - 6i is + 6i
(24)
The conjugate of - 2 + i is - 2 - i
