Question

If alpha, beta, gamma and Delta are the roots of the equation x^4+px^3+qx^2+rx+s=0 then (summation of[ (alpha, beta) /r^2])

Answer 1

does "(summation of[ (alpha, beta) /r^2])" mean (alpha+beta)/r^2 ??

and if so, I suspect it depends on which two roots you pick.
We do know that the sum of all the roots is -p