\[ a y'(x)+b x^r y(x)^n+y''(x)=0 \] ✗ Mathematica : cpu = 0.0464304 (sec), leaf count = 0 , could not solve
DSolve[b*x^r*y[x]^n + a*Derivative[1][y][x] + Derivative[2][y][x] == 0, y[x], x]
✗ Maple : cpu = 0. (sec), leaf count = 0 , could not solve
dsolve(diff(diff(y(x),x),x)+a*diff(y(x),x)+b*x^r*y(x)^n=0,y(x))