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arg(z-2/z+2) = pi/2 is a semi circle with centre 0,0 and radius 2 found using either circle geometry rules

this may be obvious to some..but im not seeing it x^2 - x + k = 0 it has two distinct positive real roots question is to show 0 < k < 1/4 i can do this by showing the discriminant is > 0 to show it has two distinct positive real roots...but why is it greater than zero? is it...

hi all these questions came from the resources, there are solutions but they aren't worked and i cant seem to get out a few. so if anyone can have a crack and explain to me their solution that would be cool 1) Given that there is a constant c such that (x4 + y4) = (x² + cxy + y²)(x² - cxy +...

Yea i'm thinking that too, thing is, I intend to get into a computer science degree at UNSW, so IPT may be more useful in that respect. Is there somewhere around here I could see how each subject went in previous years? I suspect that IPT may have more people doing it and doing well, and it...

Hi, I'm in year 11, current subjects are: IPT SDD Art Maths + Ext 1 Physics Eng. Adv Catholic Studies I intend to pick up an extra unit of maths, but i'm not really keen on doing 14+ units during my HSC year, that's just pointless. I'm currently topping IPT, SDD and Art and doing quite well...

Hey thenuker, That would depend on which version of Visual Basic you are using. In VB6 and .NET you can use a driver known as ODBC (Open Database Connectivity), however in the newer .NET versions you can also utilise components like ADO .NET and the Microsoft Jet Driver. As for the MD5...

Hey, HTML is a markup language, so it alone can't handle information processing, however server side languages like PHP and ASP will. If you have access to a server running PHP, if you don't you can download a free WAMP Server (Windows Apache Mysql & PHP) and install that. Here is how you'd...