I'm having trouble picturing the following problem.
In a given inertial frame, two particles are shot out simultaneously from a given point, with equal speed u, in orthogonal directions.
a) Without using 4-vectors show that the speed of each particle relative to the other is given by...
[SOLVED] Integration of (x/(x+2))
I've tried integrating x/(x+2). but seem to be going round in circles. I've tried integrating by parts and it didn't work. i was wondering does anyone know what way to do this.