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1a) domain is -1 to 1, range is -pi/2 to pi/2 b) first derivative is 1/sqaure root (1-x^2), second derivative shouldnt be too hard to do c)it is defined at 1 and -1, but its derivative is not defined at x=1 or -1

this thread was from 2005? Why are you responding now haha

I aim to write 1.2k words in 45mins during my school tests and can usually do so with 3-5 mins left. For paper 2 id go for 1000 words in 40 mins.

Out of curiosity did anyone near you guys get kicked out?

got destroyed

Dont go brain/dr du for 2u math, if youre really struggling with 2U math, private tutoring might be your best option

Its possible to get 99+ with any combination of subjects i think and your subjects in particular are high scaling (except for standard eng. try switching to eng adv.)

Thats true...to go to Dr Du you need to be self-motivated and already be smart which is why they get state ranks in the first place (already smart people go there). Getting a state rank without tutoring is very possible too though (2015 4u state rank 1 didnt get tutored) but that requires...

Rank 1/2 usually do other than that i think they had 4/10 or 5/10 of 2015s 4u state rankers

so would i write z cant = 0 or x^2+y^2 cant = 0 (also why does the latter mean z cant =0)

for the locus question in the complex numbers (Q4) i got that the exclusion is x^2+y^2 cant = 0, can this exclusion be simplified?

oh haha i kept doing x=y

How did you do q14 i - the one marker

Re: Why is the ATAR cut off for Medicine so low in UOS compared to other universities If UOS is university of Sydney like im assuming you need a 99.95 atar to get in (UMAT is not counted)

Dr du is pretty expensive and isnt really good if youre not already motivated + have a natural aptitude for maths

one of the better ones for sure

Dont know who leonne is but Chris is the owner of the Brain and i knew 2 people who got 99.95 atar who said they begged for Chris. He seems very knowledgeable as well when ive seen him but ive never had a class with him

i dont think those tutors do one on one...But anyways definitely chris then georgina

Say little disparity (1-3 marks)?

this seems an appropriate thread to ask. Say im ranked 3rd in a subject and in the HSC rank 1,2 and myself score 95. Would us 3 all get 95 or would there be some moderation?