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Calculus! For beginners, with a ‘no theorems’ approach! $$y = \int (x-1)x^2dx$$
$$(x-1)x^2dx$$
$$=(x-1)dx^3$$
$$=dx^4-dx^3$$
$$=dx(x^3-x^2)$$
$$=(x^3-x ... |
6-4-2016 at 13:45 by: aga |
extraction of copper nitrate Currently there is a 250ml beaker of aqueous copper nitrate in my lab which i attempted to recrystal ... |
6-4-2016 at 13:01 by: aga |
government restrictions why bother Once i found out where to look, i can easily get bulk qtys of the three principle acids at a good co ... |
6-4-2016 at 12:51 by: aga |
Beginner posts [rquote=444522&tid=65839&author=Jstuyfzand]it would be great to have some kind of tutorial b ... |
6-4-2016 at 12:36 by: aga |
Calculus! For beginners, with a ‘no theorems’ approach! [rquote=444520&tid=65532&author=blogfast25]Compute:
$$\int (x-1)x^2dx$$
[/rquote]
I will ... |
6-4-2016 at 12:27 by: aga |
Calculus! For beginners, with a ‘no theorems’ approach! Oh dear. I think i should give up .....
... imagining that i 'get it' regarding to the chain rule ... |
6-4-2016 at 10:28 by: aga |
Where is the library? The SM Library is cunningly hidden amongst a vast array of 6 other options ![;)](./images/smilies/wink.gif)
http://library.scie ... |
6-4-2016 at 10:08 by: aga |
Calculus! For beginners, with a ‘no theorems’ approach! 'Gambino' was Tony ? We mistook him for a prawn and ate him.
The dorm Rules state that all moveab ... |
6-4-2016 at 04:38 by: aga |
Calculus! For beginners, with a ‘no theorems’ approach! $$y=\int xdx -\int 1dx=\frac12 x^2-x+C$$
Oh ! I See now !
I treat the 'dx' term as a whole unit, ... |
5-4-2016 at 13:41 by: aga |
Calculus! For beginners, with a ‘no theorems’ approach! [quote]... in no way does it follow that 'dx is 1'.
Will hold my horses for now... [/quote]
$$ ... |
5-4-2016 at 13:34 by: aga |
Calculus! For beginners, with a ‘no theorems’ approach! Phew ! Great.
One last bit and i think i'll get it :
$$\int dy = \int (x-1)dx$$
$$y = \int (x ... |
5-4-2016 at 12:45 by: aga |
Calculus! For beginners, with a ‘no theorems’ approach! The bit that i'm still failing to understand is the dx/dy thing, so a step backwards is required.
... |
5-4-2016 at 09:30 by: aga |
Calculus! For beginners, with a ‘no theorems’ approach! erm, so the bits before the dx have to be 'simple' as in no operators like +,-/sin,tan etc or you go ... |
4-4-2016 at 14:33 by: aga |
Calculus! For beginners, with a ‘no theorems’ approach! So, if it's just 'applying the rules', with immense trepidation, the Exercises ...
1. (cribbed fr ... |
4-4-2016 at 12:24 by: aga |
When Chemistry Goes Wrong [rquote=444046&tid=63645&author=The Volatile Chemist]Yesterday I was trying to ignite a ball ... |
3-4-2016 at 14:46 by: aga |
It finally happened, the police showed up I had to google what a 'hackerspace' is.
So your lab is in a [i]shared[/i] space where Other Peop ... |
3-4-2016 at 14:07 by: aga |
Complex Picrate Salts [rquote=444206&tid=23573&author=a nitrogen rich explosive]Tetramine Copper Picrate. May I su ... |
3-4-2016 at 14:01 by: aga |
Bad Habits In The Lab If cigarettes/beer/coffee were banned from my lab, it'd be Empty.
Well, Full of cool Stuff, just ... |
2-4-2016 at 14:01 by: aga |
Gas Chromatography Spam. 100%.
No way you'd use antifreeze or chain oil in your GC. |
2-4-2016 at 13:55 by: aga |
Method for preparing anhydrous aluminium chloride Why are people so Cl[sub]2[/sub] averse ?
OK, it can kill you, but so can a moving Car, or an irk ... |
2-4-2016 at 13:42 by: aga |
Glassware Organization Aha ! A fellow recycler of broken glass stirring rods ?
I snap them up and make boiling chips, t ... |
2-4-2016 at 13:31 by: aga |
chem.pieceofscience.com - editor wanted [rquote=444095&tid=65509&author=Hegi]Experimenters are WANTED as well. We do experiments and ... |
2-4-2016 at 13:24 by: aga |
new compounds for making hobby chemicals In what way are these compounds 'New' ?
I fail to see the point in this thread, but that may be b ... |
2-4-2016 at 13:13 by: aga |
Drying Acetic Acid? [rquote=444137&tid=65803&author=Sulaiman]...
I'll be quiet now[/rquote]
I once thought tha ... |
2-4-2016 at 13:10 by: aga |
Recent Actual Physical SM Chemistry This thread basically died after post #2.
What i'm in the process of doing is building a searchab ... |
2-4-2016 at 11:21 by: aga |
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