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thanks, just found my mistake though, i think it is 2U do-able... making x the subject then integrating, as you mention in the first way u say to do it produces an answer, whether its correct or not it hard to say, but it seems right 7.1pi is what i ended up with

haha, yea, sorry bout that- was doing it myself and came out with a negative answer, so either i made a mistake in my working or the question, but by all means post an answer if u did one, the question was: find the volume when the curve y=ln(x^2 + 2x) is rotated about the y-axis between y=2 and...

sec^2theta = 1 / cos^2theta thus 1 / (1 / cos^2theta) = cos^2theta

next question find the equation of the curve that is always concave upwards with a stationary point at -1,2 and y-intercept = 3

apparently a letter is sent out during the HSC exams to those who's projects make it to the powerhouse, if u dont get a letter then your project won't be exhibited, I dont know when they send them- i guess we'll have to wait till someone get the letter.

How do u do that? i'm probably mistaken but couldnt u just:

1. 8-10 words per line 2. medium to small i guess 3. I couldnt discern a few of the words- so it must be messy 4. Black pen 5. A nice smooth gripped promotional pen from a pharmaceutical company, it was the clicky type- i usually go papermate but these promotional pens have yet to fail me

Sure its tough to do it in 2 hours, but that part of the paper, 40 minutes per essay, less is expected when time is such a constraint. Not to mention I don't feel like going on about the same things for another hour, its hard to say how much quality would increase even though length certainly...

haha, nah- when i read your post prior i checked to see if u went to my school but i'm at marcellin in randwick- i was seriously shocked bout doing the same texts cause there are rarely any posts bout em here, less than 1% of the states does these ones. ~Adam

Yea, same- i've always found those booklets harder to write in, the lines are bigger sure- but the paper is rough, dont really know why though.

Tea is great, but the sheer exileration of studying is enough to keep me alert! seriously though, i just sit at my corner desk (studying) with my laptop closed- if i need a break i walk down to the library and talk to everyone Most subjects are good to study for except english, but thats over...

Well, while i was looking at these in the exam, i decided that it couldn't be D for the simple reason that the technology may not meet the needs of the public and thus, no matter the cost, would not be purchased. It was also troublesome that D singled out new technology as a successfull...

This is how it went for me 1. D 2. C 3. C 4. B 5. C 6. C 7. C (mis read the question, should be A, which i had untill i crossed it out) 8. D (rather unsure) 9. B 10. C Should get 8/10 It seems most of you put B for question 10 but i think it's C as a socially responsible designer...

haha, i dont think its the school that ran out, don't the BOS people bring the string?

Mines today!!! And what better way to celebrate than with 3.5 hours of exams, seriously, what more can you ask for than to finish english? ~Adam

Module A: 6 Module B: 6 Module C: 4

Wow, someone who does the exact same texts as our school- i didnt know such a place existed... But module C really confused me, spent 5min trying to decipher the question which left only 35 to write something... module A and B were really good i thought, but you never know, goodluck...

if you can call it finished I finished but module c was differently worded. Module A and B were really good, then I hit C and tried for 5min to figure out what the question was asking before I just started writing cause i had to write something, but I 'finished' em all, well that is to say...

Q7 find the equation of the tangent to the graph y = 1 + sqrt(3)sinx + cosx at x = 5pi/6

Over 80 i got 85% could of done better if i studied the whole course, or mabey if i did some of the classwork, still came first though...