Re: HSC 2017 4U Marathon
This is much easier to do. Try subbing in the terms when you have 3 or more terms gg...
\frac{z + 1}{z-1} \cdot \frac{\bar{z} -1}{\bar{z} - 1}
Re: HSC 2017 4U Marathon
\frac{x^2 + y^2 -1}{x^2 + y^2 +1 -2x} -2i \cdot \frac{y}{x^2 + y^2 +1 -2x}
Ceebs typing the working out... But hint : Don't sub z in straight away.
Re: Discrete Maths Sem 2 2016
I think the way to go is to draw each vertex with its edges corresponding to its degree and look for any contradictions if you can draw it then no probs, if you can't then it doesn't exist ez.
Yeah the question was about inverses and areas so i thought I could just use Integration by Parts since I knew how to integrate the integral... 3 pages later gave up on the algebra and just went for the way they wanted...