\[ -f(x) y(x)^a-g(x) y(x)^b+y'(x)=0 \] ✗ Mathematica : cpu = 2.38726 (sec), leaf count = 0 , could not solve
DSolve[-(f[x]*y[x]^a) - g[x]*y[x]^b + Derivative[1][y][x] == 0, y[x], x]
✗ Maple : cpu = 0. (sec), leaf count = 0 , could not solve
dsolve(diff(y(x),x)-f(x)*y(x)^a-g(x)*y(x)^b = 0,y(x))