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So my prelim knowledge has a lot of holes and if I don't fill up these holes, they will hurt me severely in the HSC. Can someone tell me the differences in dispersion forces, hydrogen bonding, ionic bonding etc (Theres a lot more but I can't think of any, if you know any more important ones...

That makes sense now :) Thanks a lot guys!

What does it mean when it says turns red litmus blue or blue litmus red?

^ THANKS! :)

I haven't done y = ln(1+x) yet, what does it look like?

So parabola right?

Consider the function f(x). If f(0) = 0, f '(x)>0 and f ''(x)<0, make a neat sketch of f(x) near x=0 Im not good at this stuff. Is this just a parabola with vertex (0,0)? It says "near x=0" so Im not sure

I. AM. SCREWED.

^ I have all that info, but which bit in particular "identifies the importance of chromosomes"?

Our first assessment had multiple choice in it. Your school should really know about this stuff... its important

I don't 100% want to do it, but if I did it would be for the people. I honestly don't care about the pay, thats nothing compared to saving someones life. Like come on, you only get one life.

Frankenstein is too boring!!!!

I need help finishing this question! :( Also, a few volume Qs... Q8. The parabola y=(x+2)^2 is rotated about the x-axis from x=0 to x=2. Find the volume of solid formed Q19. Find the volume of solid formed when line x+3y-1=0 is rotated about x-axis from x=0 to x=8 Q20. I need help changing the...

I see them as a day off even though they are "compulsory" LOL

Yeah, I got mine through school (as did everyone else at my school) Best to ask your deputy/principal because they're the ones that should know

Can you legit do that? The times by 4 bit? And how come you 'chose' to do 1 curve? Im really confused, I thought you had to use both

I expanded the brackets.... grrrr!

So smart... haha So how would I go about integrating it? I did from 0 to 1 x^2 + x^2 which gives me 2/3 which is wrong lol.

Thanks! How come you guys are so smart? :( lol

Oh thanks! I didn't know you could do it like that lol