Derive e = 2 μ. gmp (eq, 2.25), the expression for the i. [c& o 2.4 (tweaked total energy of a two-body system in terms of reduced mass from the expression for total energy of a two-body system in general cartesian coordinates hint: write down expressions for r and r, in terms of r and the masses m1 and m2 dř adr first. use those to find expressions for velocities v, there. you may assume constant masses. - and v2 and go from dt dt