def test_quintics_2(): f = x**5 + 15*x + 12 s = solve(f, check=False) for root in s: res = f.subs(x, root.n()).n() assert tn(res, 0) f = x**5 - 15*x**3 - 5*x**2 + 10*x + 20 s = solve(f) for root in s: assert root.func == RootOf
def test_quintics_2(): f = x**5 + 15 * x + 12 s = solve(f, check=False) for root in s: res = f.subs(x, root.n()).n() assert tn(res, 0) f = x**5 - 15 * x**3 - 5 * x**2 + 10 * x + 20 s = solve(f) for root in s: assert root.func == RootOf