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  1. E

    Doing 2 DEGREES!!!

    So i've enrolled in Mechanical Engineering/ Computer Science, have got all my courses ready and timetable finished. Now iam wondering while iam doing the 2 degrees that i will be doing 100% of programs (100% of Mechanical, and 100% of Computer Science). Could someone just confirm this please...
  2. E

    Damn Computer Science ELECTIVES!!!

    Having trouble finding the list of electives that i can choose for first semester computer science. CAN some1 help plz.
  3. E

    Computer Science Help!

    When i go UNSW rectangle and type course it tells me that COMP1911 (for mechanical engineering) and COMP1917 (computer science) clash. Which one should i do, which will be good for both mech and comp sc. Also Where can i find the list of electives that i can choose for comp sc and which...
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    Enrolment HELP!!!!!!!!!!

    Ok so i want to do Mechanical Engineering/ Computer Science, i accepted the offer and now want to enroll, the program it put me under is 3711 - Mechanical & Manf Eng/Science. Now when enrolling do i just go to The UNSW Handbook for Mechanical engineering and pick all the first year courses and...
  5. E

    Binomail Theorem!!

    By%5C%20considering%5C%20both%5C%20sides%5C%20of%5C%20the%5C%20identity%20%5C%5C%20%5C%5C%20%281+x%29%5E%7Bm+3%7D%20=%20%281+x%29%5E%7Bm%7D%281+x%29%5E%7B3%7D%20%5C%5C%20%5C%5C%20show%5C%20that%5C%20%5C%5C%20%5Cbegin%7Bpmatrix%7Dm+3%20%5C%5C%20r%20%5Cend%7Bpmatrix%7D%20=%20%5Cbegin%7Bpmatrix%7Dm%...
  6. E

    fun circle geometry question

    A cyclic quadrilateral has perpendicular diagonals which meet in P. Prove that the feet of the perpendiculars from p to the sides of the quadrilateral lie on a circle.
  7. E

    a fun integration question!!

    same question somethin was wrong with the other 1...
  8. E

    Practise TechNiques for Maths Exams

    Ok well i need a wide range of answers for this question, it is kind of general to both 3u and 4u. Well i was wondering, now to study for a maths exam is it better to do past paper questions or examples from the book e.g like fitz, etc Like some of the conics questions in fitz they just seem...
  9. E

    Conics: Derive formula or use formula's

    Well i was wondering for conics, are we allowed to directly use the formula's of tangents, equation of chord of contact and etc or do we have to derive them on the spot. And is it easier to use formula's directly or derive them Which way would be easier and most effective Thnks.
  10. E

    ok!!INt Parts Question!!!

    show that: opps soz
  11. E

    Mathematical INductioN!!!!

    (1) Use Mathematical induction to show that 5^(2n)-4^(2n)-3^(2n) is a multiple of 48 for all integers n>=1. (2) Prove that n>=2 lines, no two of which are parallel and no three of which are concurrent have (n(n-1))/2 points of intersections.
  12. E

    "Earth Hour" Whats the point

    Don't Forget – 'Earth Hour' Happens Next Week - News and Analysis by PC Magazine Earth hour is meant to be held next week, but i don't see the point. As was explained to me by some1. Earth hour i think is completely a useless waste of time. We don't actually save any energy, every1 thinks we...
  13. E

    Fairly hard Integration Question!!!

    Ok will when i was trying this i got nearly 2 pages of working out and was nearly right i think i made a couple of mistakes and didnt want to recheck.
  14. E

    Complex number question

    Difficult: Suppose θ, Φ doesnt = pie/2(2k+1) where k is an integer, use the fact that z = (1+z)/(1+z^-1) to: (a) find the real and imaginery parts of (1+cos2θ+isin2θ)/(1+cos2θ-isin2θ). (b) show that if n is a positive integer then [(1+sinΦ+isinΦ)/(1+sinΦ-icosΦ)]^n = cosn(pie/2-Φ)+isin...
  15. E

    complex numbers

    Find all the roots of z^5+1=0? i cant seem to get it to work. (b) if w is the root with the least positive argument show that the roots are -1,w,-w^2,w^3 and -w^4.
  16. E

    COmplex Numbers

    Given that z = x + iy, where x,y are real, find an expression for arg(z) if: (a) x>0, y=0 (b) x<0,y=0 (c)x=0,y>0 (d) x>0,y>0 (f)x<0,y<0
  17. E

    COmplex Number

    Without using any series expansions, prove (√3+i)^n + (√3 - i)^n is real.
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