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  1. S

    Fairfield City Library Service HSC Lectures: Business Studies

    im sure anyone can attend (: just call them up to make a booking
  2. S

    Fairfield City Library Service HSC Lectures: Business Studies

    Has anyone been to the business studies lecturer at fairfield library, in the past years? IF so, are they worth going to? The lecturer this year will be Mr Len Nixon. I researched about the lecturer and this is what i got from the HSC High Fliers website: "Len Nixon Len Nixon has taught...
  3. S

    Fairfield City Library Service HSC Lectures: Business Studies

    Has anyone been to the business studies lecturer at fairfield library, in the past years? IF so, are they worth going to? The lecturer this year will be Mr Len Nixon. I researched about the lecturer and this is what i got from the HSC High Fliers website: "Len Nixon Len Nixon has taught...
  4. S

    Personal Response

    Hi, Part of the module B requirement "Articulation of an informed personal response and understanding" and i was wondering how do we make our essays sound personal? As i am hesitant in using "I" in essays. thankyou
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    Complex numbers

    Plot points 2i, (root3) - i and (-root3) - i on argand diagram. prove that P, Q and R respectively are the vertices of an equilateral triangle.
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    proving vertices of equilateral triangle

    I forgot how to prove how 3 points form an equilateral triangle's vertices given 3 complex points. Do we show that all sides are equal length and rotate 60 degrees?
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    help

    thanks guys!
  8. S

    help

    if z1 and z2 are any two complex numbers such that lz1 - z2l = lz1 + z2l show that arg(z1) - arg(z2) = pi/2 Another question, y=x^x lny=xlnx show that d(x^x)/dx = x^x (1 + lnx)
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    prove

    How do we prove a=d(1/2 v^2)/dx given that a point is moving along a number line with velocity V m/s?
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    limiting sum of series

    thanks again! you're a genius lol
  11. S

    limiting sum of series

    Find the limiting sum of the series: 1/5 + 2/5^2 + 3/5^3 + ......
  12. S

    mathematical induction

    oh cool thanks for the help!
  13. S

    mathematical induction

    Prove by mathematical induction: 2^n greater than or equal to n^2 for all integers n greater than or equal to 4 thanks!
  14. S

    complex number

    find using De Moivre's theorem the complex numbers z which satisfy th equation z^5= z (conjugate)
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    polynomials

    @ deswa1: I still can't get it. lmao i get everything you explained so far but i still don't know where to go from there. lol
  16. S

    polynomials

    the roots of the equation z^2 - 6iz + 3=0 are 'a' and 'b'. Without solving this equation: i) Prove that lal + lbl > (greater than or equal to) 6 don't know what to do. please explain (:
  17. S

    complex numbers

    could i just ask why (2,3)m is also a considered centre?
  18. S

    complex numbers

    ohh didn't see that thanks man!
  19. S

    complex numbers

    describe the locus of the point representing z on the argand diagram if lz²-(12i-5)l=lz-(2+3i)l given that root 12i-5= +- (2+3i) and solutions to z²+(2+i)z+2-2i=0 are i and -2-2i. (this is from the fort street ext 2 2001 paper btw)
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