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  1. F

    anyone got answers for ANSTO year 12 workbook ??

    LOL i do but i handed mine in just on friday xD i still remember a few answers though :D
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    How much harder is 4 units compared to 3 units?

    4u isnt as difficult as everyone says, except for the later questions. If you use cambridge questions 1-3 only require a few steps working out, whilst further on it may take up to a page. If you were only looking at the questions and it was a few words, dont expect it to be no. of words = no. of...
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    Questions regarding my tutors teaching methods

    i think its a good method though you'll have to check up on textbooks if you want extra knowledge and understanding.
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    up to date?

    haha i never said i wasnt self studying. I'm just curious as to whether other schools are bludgy for bio or are they taking it as an intense sub
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    up to date?

    hey im just wondering where you guys are up to for bio. i.e. what topics have you finished and what are you doing now kthx I think my school is lagging behind :cold:
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    Please help me to solve this?

    this is a stupid question really xD It doesnt tell you if its overdue or not and by how many months. So you will probably assume that it is one month which is what the previous poster did. If its 3 months you put 3/12 instead of 1/12 etc. :D
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    Maths Questions

    ahaha this question was in maths comp ;)
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    ATAR of 93+

    I reckon standard maths will not be counted in your 10 units if you're not top 10 in grade. I say top 3 in standard is practically top 30 in advanced o-o so you will get scaled down a lot, considering that there are other people who do harder maths than you. One wrong in standard maths school...
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    umms polynomials

    Show that if cot @ = x+1 then ((x+a)^n - (x+B)^n)/ a-B = sin n@/ sin^n @ a = 1+ i B = 1 - i I know you do something with De Moivres.. after that im kinda lost so sleepy :( Btw just wondering how you write the integrals, differentiation sign, theta etc. on bos - basically the maths working...
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    Sequence and series

    Question not answered still? :sleep: Help please
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    Sequence and series

    1) Get rich Bank offers a mortgage at 13.5% pa. over 10 years and capital bank offers a mortgage at 10.5% pa. over 25 years. Find the amount of repayment to each bank on a loan of $80000. 2) Joan's mother puts $300 into an account at the beginning of each year to pay for Jane's education in...
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    Sequence and series

    LOL THANKS A LOT LUKY :jump: i did the exact same thing xDD But i did it in 2 dp so when i got the answer it was like $20-30 off and i was like wtf O_o Then i did exact values and got the right answer :mad1: me FAIL :(
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    Sequence and series

    hmm thanks but how do you get the 0.15 in the beginning. Btw could you use M instead of A and B, it makes me even more confused xD Kinda dont get it still...could you show the full working out - without skipping steps please. :(
  14. F

    Sequence and series

    A loan of $6000 over 5 years at 15% p.a. interest, charged monthly, is paid back in 5 yearly instalments. How much is each instalment, and how much money is paid altogether? ZOMG read this question. It contradicts itself or i dont understand. I think you do double GP or something. Answer is...
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    Sequence and series

    A $2000 loan is offered at 18% pa interest, charged monthly, over 4 years. If no repayments need to be paid for the first 3 months, find the amount of each repayment. How much will be paid back altogether? Ifyou get 64.25 and 2891.25 post your working out here please. Otherwise im pretty sure...
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    Asymptote : re- curve sketching

    hmm i see. This was not in the text book that's why. Cambridge has like 1-3 examples only with little info :(
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    Asymptote : re- curve sketching

    Thanks untouchable. How would you know when to find obliques though? Before you re-arrange it, its hard to see, and you wouldn't have time in a test to re-arrange equations. Being able to limit an equation will probably require 30 secs, and i wouldn't want to waste that for each graph question...
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    Asymptote : re- curve sketching

    How would you find the oblique asymptotes of a implicitly differentiated graph? Sketch the graph of x^2 - 4y^2 = 4 I've got no horizontal tangents Vertical tangents : ( -2 , 0) , (2 , 0) The obliques are y = +- (1/2)x How do i find them? Help please :hat:
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    Curve sketching

    How do you know it goes away from y= 3x -> i'm not sure where y= 3x comes from After you lim the dy/dx you get = 3 But how does it become y=3x Thats why im confused :confused:
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    Curve sketching

    Hmm probably. dy/dx= (6rootx + 3x) / 2 root x right? now if split the fraction up 3 + (3x/ 2 rootx) = dy/dx when x->0+ dy/dx = 3 but how do you get y = 3x and how do you know if its a horizontal Btw i got the point (4,4) now, don't need to explain that. But the y = 3x asymptote would help...
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