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How did everyone go?

This is question 5 in exercise 2.3 from the Cambridge 5. on an Argand diagram the points p and q represent the numbers z1 and z2 respectively. OPQ is an equilateral triangle. Show that z1^2+zx^2=z1z2 Can I use cosine rule to prove this or do I need to use the worked solutions method in...

Hey, just wondering which year was the hardest hsc 2 unit exam?

Hi, I'm really in need of an English advanced tutor for year 12 (I'm going from yr 11 into yr 12). If you're interested please contact me as soon as possible and I live around Chatswood/Lanecove so tutor near that area is preferable. Thank you

So, my usual method is to rush and finish the test as fast as I can so that I have more than half the time to check, however even with all this checking time I continue to make mistakes because I just find it hard to pick out errors and I don't really reread the question as well as I would the...

Okay so in the last test I basically was doing well until one question which used up 1/4 of my time and I didn't even get it right and from then on the pressure of time caused the consecutive marks to suffer. I also tend to rush test due to a fear of not finishing. So what can I do to manage my...

3^n >2^n+n n>1 (The ">" is an equal or greater than)

(d) There are 9 friends. Once they get to the nightclub, there is only a table for 3 available, and the others will have to stand up. If the friends randomly assign who sits at the table, in how many different ways can they be seated.

1) 8-4+2-.... Which term of the following series is 1/128 2)Find the term of the series 2/7+6/7+18/7+... that is greater than 100

Hey so I'm doing the year 12 maths 2 unit course (not the general) and i was doing some half yearly papers and I noticed about 8 marks worth of questions were consumer arithmetic. So my question is, is consumer arithmetic an assessable topic in this years hsc 2 unit exams.

So basically my school only uses maths in focus however I understand that the questions are bad,basic and repetitive, but should I just totally stop using it and move onto Cambridge or Fitz, as my school doesn't check home work. By the way I'm not a struggling student, just wondering if I should...

Using calculus. sketch the graph of y=cosx(1 +sinx) for 0>x>2pie (the ">" are greater than or equal)

First off my school uses MIF but my cousin gave me the Cambridge for practice. So the problem is when I look in it I cant find a chapter where there is Geometrical application of calculus chapter. Also a few of the topics are different. However the MIF is a 3 unit book. This might be a stupid...