C cossine Well-Known Member Joined Jul 24, 2020 Messages 626 Gender Male HSC 2017 Mar 16, 2022 #2 =)(= said: View attachment 35202 Click to expand... Can you give the question a go. Maybe as a start you could multiply the fraction by (1-z) and then show that it is imaginary.
=)(= said: View attachment 35202 Click to expand... Can you give the question a go. Maybe as a start you could multiply the fraction by (1-z) and then show that it is imaginary.
? =)(= Active Member Joined Jul 14, 2021 Messages 647 Gender Male HSC 2023 Mar 16, 2022 #3 i got it in the end just had to simplify and use t results.
