Search results

Prove that \frac{a}{b}+\frac{b}{c}+\frac{c}{d}+\frac{d}{a}\geq 4 \\and \frac{a}{b}+\frac{b}{c}+\frac{c}{a}\geq 3 Or just tell me what steps I take so that I actually understand it. Thanks. (I know this is one of the easier proofs but meh)

UNSW has bonus points available with their HSC Plus scheme. Some of the combined courses are not on the website's lists and I was wondering whether bonus points could be used from both courses. Eg. I want to do a Arts/Sc Adv Math course. In Arts they offer bonus points in languages...