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I have always wondered how precipitates generate their colours. This might be a bit beyond the syllabus, but it doesn't hurt knowing. How does it happen? links would help. E.g : Copper and OH --> PALE BLUE PRECIPITATE Iron (III) and OH--> BROWN PRECIPITATE

Who's going tomorrow? . (its for catholic schools)

∫x.arctan²x dx. Someone do it ^.^. Thanks in advanced ! :) The answers here --> http://integrals.wolfram.com/index.jsp?expr=x+%28arctan%28x%29%29^2&random=false

Can someone please do this step by step. Giving explanation as well. Thanks in advanced.

Is there anything wrong with integrating complex numbers? I've heard that some teachers/lecturers get frustrated when they see students attempting to integrate complex numbers. Can anyone explain why this may be bad. All I know is this : ""Yes, in practical terms integration of complex-valued...

since mx2 is well....harder lol, im interested to see how ppl approach questions, and what the heck is going thru their mind. e.g - do you think thru systematically....etc etc. for 2u/3u for example..i dont think....i just doze off and think about the weekend...and my mind will do it for me...

Hi, so I've got this assessment. Basically - "Electric Motor Construction" I'm wondering if there's anyone out there who has done such an assignment in the past and if they could provide me with some ideas/hints/advice in how to approach this -construction- Thanks in advanced. Websites and...

Can anyone provide me with great quotes from the book Frankenstein. Thanks in advanced.

Where else can I get them?? Is there a site similar to the MX2 site with 200 prac papers?

Where else can I get them?? Is there a site similar to the MX2 site with 200 prac papers or so? Ty.

In the general formula of a ellipse, WHY does b^2=a^2(1-e^2) ? Thanks in advanced.

I want to know which two types are the best to use as a related text. Or, which two texts will allow me to maximize my marks. At the moment, I am thinking of Picture Book and Novel. I know songs aren't a good choice due to the fact that they're related to poems, so it will be hard to...

I am looking for a tutor for Maths Ex II (: I want a gooooooooood tutor - who knows what he's doing. I want him/her to be able to answer any question i throw at him. I want him/her to teach according to my schedule. I want him/her to be nice, and understanding. I want him/her to help me so I...

Can someone please explain how to factorize this step by step. Also, is there a name for this process? Completely Factorize: 5x² - 9xy -2y² Thanksssssssssss:rofl:

Ok I'm prelim, and our area of study is Changes / Change in Perspective. I need to write a essay for my next exam on 2 texts that have been prescribed to me, and one of my own. Can anyone give me a great text with many techniques that I can use? The question is unseen, so I can not give...

Excel VS Macquarie Battle of the Study Guides. Which one do you prefer? -VOTE- Yes I know they each have their pros and cons.

^^ Title. Im just curious. Doing 2 unit and ex 1 atm, i don't feel the need for tutoring. I'm considering taking mx2. Will i need to do tutoring to get a great mark?

Hey guys! Just using this as a form of research. So this is my 3rd task of chemistry and falls under the topic of: Energy So I'll type the general task: In this task you are to design and perform an experiment to determine which fuel, out of the two fuels(methanol and ethanol), would be the...

I know theres a Sticky on this!! BUT I STILL CANT DECIDE WHICH ONE IS BETTER!! So it's out of THESE 3 !! That's what I've seen , and I've gone through all the threads ! SO LET THE VOTING BEGIN!!!!!!!!!!! LET THE BEST MATHS BOOK WIN !!!

Especially proving things ! I do not know where to start! Can anyone who's really good at this topic give me some hints. I've done a lot of study, I'm memorized theorems and stuff, but I'm lacking process. Can anyone give me a good and understandable process in solving Circle Geo questions...