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had my 2u trial today. there was a questions like: 2ln(3x^(1/2)) =... I got my final answers as something, and a -3 Now, the -3 satisfied the RHS but for 2ln(3x^(1/2)) It only satisfies the equation if 2 is taken to be the power in side i.e. ln((3x^(1/2))^2) so is -3 a solution?

In some books, e.g. heinmann - and also many places on the net - it says fish kidney's only role is osmoregulation - wastes are released via gills some other books e.g. bio in focus I think - also many places on the net - say fish releases "urine" with ammonia - I'm assuming its a product of...

Do we have to show "two loops" - like the one in bio in focus Or can we just show temp rise ---> thermoreceptors detect --> sweat glands etc activated --> returns to normal temp. Are we required to then say, a "negative feedback" occurs? - i.e. body temp drops --> .... confused over this...

and it has no friction what so ever, just rotating. The net force on it is zero right? makes sense to think that if it wasn't it would keep increasing its speed/velocity getting confused

Mine is atrocious. My english teacher complained (2nd time now) - she didn't mark by assessment task on Caesar (probably get 0). (it used to be bad ONLY when I wrote fast. But now its bad all the time) Is cursive hand writing better (faster + neater)? how long does it take to adjust? I'm just...

v) Assume x=N, when N is not in the domain chosen in part ii) but still in the domain for f(x) find f^-1(f(N)) f(x) = x+1/x inverse = x/2 +1/2(x^2-4)^(1/2) domain found in part ii is x>=2 I've seen a similar question before in success one, but that was a parabola. not sure how to get this.

We just started today. What textbook do you use for it? our class got hand outs of macquarie revision guide

Just wondering, not my case. If your school is like 150 ish ranked, and you are not 1st in anything, but top 5 and your marks are crap too (nothing in 90s) and you do your externals and get 94+ in all your external exams. what happens? like, from what I hear, its ALL ABOUT your external...

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if w is the complex cube root of unity, show that: ((q + bw +cw^2)/ (c + aw + bw^2) ) = w^2 its from the patel book

Like if you have absolutely no base in chem

Question 16 (4 marks) A projectile is fired at a velocity of 50 m s–1 at an angle of 30° to the horizontal. Determine the range of the projectile.

my maths head teacher said that if you do 4U and then drop it, after a few assessments, you get 0 for the assessments done in 2U ? is that true :S so basically if you take 4U, you can't drop it? thanks, need to know quick :S

all prepared? :jawdrop:

how much all together? for all subjects you do. just wondering:)

I FEEL SO OLD! year 12 already fmml