SubArea: Higher degree equations and inequalitiesLevel: BProject ID: 9000029303Accepted: 1Easy: 1In the following list identify an inequality which does not have solution in \(\mathbb{R}\).\(x^{4} + 81 < 0\)\((x - 3)^{3} > 0\)\(x^{3} - 9x < 0\)\(4x^{4} - 64 > 0\)
