hyperbolic

$$\int\nolimits \frac {x+1}{\sqrt{x^2-4}}dx $$ we have a formula in latex! And it only took 20 minutes :D my question.... upon attempting to intergrate this, apparently one should realise that the substitution $x=2\cosh u$ will allow an easy simplification..... but what are the...

The Absolute Truth The parallel postulate either exists or it doesn't exist. And this is the absolute truth™. So, what does this tell us about any geometric notions we might have? That they are purely a matter of belief. I win this argument by use of the equivalence operator.