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For integration it's beneficial to roughly sketch out what the graph would look like. You don't need to figure out stationary points or anything, just find the x intercepts and whether the leading coefficient is positive or negative and whether there is a y intercept. Using all that info and how...

Since the roots are only -1, 0 and 1 you know that when you're drawing the graph, it's going to cut each point like legit intersect it and go right through it like a loop. If you have like -1, -1, 0 and 1 as your roots, since there are two -1s, the graph does not cut the x intercept at x= -1 and...

Yeah I made one. Just checked again and it says it'll be available tomorrow, so should be ok.

factorise the equation firstly: y = x(x^2 -1) = x(x-1)(x+1) from there, you find the x intercepts by letting y=0, so x ints are x= -1, 0 and 1. Since there is no negative in front of the "x" you know that the graph will be going diagonal from the top right to the bottom left (like a line with...

To find the area you basically have to let the area under the x axis be positive aswell and then add all the areas together to get your answer.

It should look like this: https://www.google.com.au/#q=y%3Dx%5E3+-x

Re: The Official 2015 CRICKET World Cup Thread WHOAAA 364 total!!! Rohit Sharma strikes again. Haven't seen this from India for a while. Hopefully this gives them some motivation going into the next few games :)

Haven't received them yet :/ Congrats!

Re: ***(NSFW) PIG born with HUMAN FACE! (NSFW)*** W t f

Re: 99.75 ATAR | Selling HSC/Prelim - Math ext1,ext2 / ESL / Japanese / Financial... Omg so sorry! Couldn't see gender on tapatalk :/

Re: 99.75 ATAR | Selling HSC/Prelim - Math ext1,ext2 / ESL / Japanese / Financial... He did amazingly well so I can't criticise him at all! :)

Re: 99.75 ATAR | Selling HSC/Prelim - Math ext1,ext2 / ESL / Japanese / Financial... Cambridge is better I reckon. MIF is a really basic textbook that's all. :)

re: HSC Chemistry Marathon Archive Yeah, I ended up just roting those ones in CMM. Idk why but solubility rules were so boring to learn haha. I actually found it a little easier that way (wihlth the flowchart and all) :// Ok, but that wouldn't warrant you 2 marks.

re: HSC Chemistry Marathon Archive Lol dw I didn't even know my solubility rules But tbh the answer to the question should be mentioned in all textbooks. It's a pretty common question, so just have a think logically why would you want a certain salt to be used in the salt bridge? Why would...

re: HSC Chemistry Marathon Archive lol Nah something else wat

re: HSC Chemistry Marathon Archive What is a suitable salt bridge and why? (2 marks) As in like what should the salt bridge consist of and why

re: HSC Chemistry Marathon Archive Ftfy

Don't stresssss

I'm watching too Preety overly dramatic but rlly interesting tbh

1) 99.55 2) 96.10