✗ Mathematica : cpu = 300.04 (sec), leaf count = 0
DSolve[{Derivative[1][x][t] == x[t]*(alpha + a*(p*x[t] + q*y[t])), Derivative[1][y][t] == y[t]*(beta + b*(p*x[t] + q*y[t]))},{x[t], y[t]},t]
, timed out
$Aborted
✗ Maple : cpu = 0. (sec), leaf count = 0
dsolve({diff(x(t),t) = x(t)*(a*(p*x(t)+q*y(t))+alpha), diff(y(t),t) = y(t)*(beta+b*(p*x(t)+q*y(t)))})
, result contains DESol or ODESolStruc