Recent content by shinn

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    Semester One Results/Predictions

    Yes, your term WAM qualifies you to get PC according to the unsw concession algorithm. You should just attend MATH1231 classes, if you are really worried you should go to the math student centre in person or talk to the lecturer in charge of MATH1231.
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    Semester One Results/Predictions

    I'm pretty sure PC is awarded according to an algorithm that depends on your overall WAM / term WAM. The UNSW concession algorithm comprise the following rules: 1. An undergraduate student is entitled to the award of Conceded Pass on a mark returned by the course authority between 46 and 49...
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    Semester One Results/Predictions

    Just great.. got LE's next to some math results.
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    MATH2881 Quantitative Risk

    Anyone can do this course if they meet the prerequisites (MATH1231 or MATH1241 or MATH1251 or ECON1203 (CR)).
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    general UNSW chit-chat

    Anyone know how long the NTEU results ban will last for? I've only received my provisional grade but not the mark for one of my math courses. The rest of math/stats results should be released by tomorrow.
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    Equation of Tangent to Parabola

    (1) solve simulateneously for (x,y) to find the point of contact. i.e. rearrange x - 2y -2 = 0 in terms of y and subsubstite into x^2 = 16y. This will be a quadratic equation and hence you can find the point of contact which turns out to be (4,1). (2) Check the gradient of the curve y = 1/16...
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    actuarial exemptions

    Having the technical knowledge is mandatory to pass the part I exams but having a deep understanding the acct/eco theory will definitely help a lot. Yes, it's possible to do a masters in actuarial studies in one year but it requires you to have full part I background. Check the unsw actuarial...
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    math1151 for actl1001

    If your marks are good in econ1203, the school might approve you to enrol in actl1001 without math1151. The assumed math knowledge in actl would be the following topics which most of them you've covered in MXI/II anyway. 1) Geometric Series 2) Exponential and Logarithmic Functions 3)...
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    Some maths books

    teach yourself undergrad math: How to Become a Pure Mathematician (or Statistician)
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    UNSW Subject Reviews.

    Here's some review i've missed out on giving last year. My memory is a bit hazy because its been quite some time. MATH1151 Ease: 9/10 - Pretty much a breeze if you've done 4u math. Lecturer: 9/10 - J. du / T. Tran. Both excellent lecturers. Interest: 7/10 - Pretty much just goes through...
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    How to maximise your maths examination marks: Tips from the HSC Examiners

    Below is a site that provides an extensive list of common errors with examples which is not only useful in HSC but in undergraduate maths as well. Common Errors in College Math
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    Induction Question

    Well if (\frac{ab^k + ba^k}{4})\leq (\frac{a^{k+1}+b^{k+1}}{4}) then (\frac{a+b}{2})^{k+1}\leq (\frac{a^{k+1}+b^{k+1}}{4})+(\frac{a^{k+1}+b^{k+1}}{4})\\ =(\frac{a^{k+1}+b^{k+1}}{2})
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    Integration

    let\; u = \sqrt{x-1} \\ u^2 = x-1 \\x = 1 + u^2 \\ 2udu = dx \\ \int\frac{1}{x\sqrt{x-1}}dx \\=2\int \frac{1}{u^2+1}du \\= 2\tan^{-1}u + c \\= 2\tan^{-1}\sqrt{x-1} + c
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    Do they scale good?

    you can't do photography for the hsc, only for prelim i think
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    Induction Question

    From where you left off, we want to prove this: (\frac{a+b}{2})^{k+1}\leq (\frac{a^{k+1}+b^{k+1}}{4})+(\frac{ab^k + ba^k}{4}) \leq (\frac{a^{k+1}+b^{k+1}}{2}) The above would be true if and only if: (\frac{ab^k + ba^k}{4})\leq (\frac{a^{k+1}+b^{k+1}}{4}) \\ \Leftrightarrow ab^k + ba^k \leq...
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