Tìm tất cả các tham số thực m > 1 để phương trình \(% MathType!MTEF!2!1!+- % feaahqart1ev3aqaMzfvLHfij5gC1rhimfMBNvxyNvga7XvAUrhxSL % wBPr3CFThm951ET13ECXwzMrhkGidETediCjxANHgDPWfDLHhD7rwF % 41xp7ThE951EY0xFTmdERqtFamXvP5wqSXMqHnxAJn0BKvguHDwzZb % qefqvATv2CG4uz3bIuV1wyUbqedmvETj2BSbqefm0B1jxALjhiov2D % aebbnrfifHhDYfgasaacH8YjY-vipgYlh9vqqj-hEeeu0xXdbba9fr % Fj0-OqFfea0dXdd9vqai-hGuQ8kuc9pgc9q8qqaq-dir-f0-yqaiVg % Fr0xfr-xfr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaaeaa % aaaaaaa8qadaWdXbWdaeaapeWaaeWaa8aabaWdbiaaikdacaWG4bGa % eyOeI0IaaGymaaGaayjkaiaawMcaaiaabsgacaWG4baal8aabaWdbi % aaicdaa8aabaWdbiaad2gaa0Gaey4kIipakiabg2da9iaadIhapaWa % aWbaaSqabeaapeGaaGOmaaaakiabgkHiTiaaiodacaWG4bGaey4kaS % IaaGinaaaa!6951! \int\limits_0^m {\left( {2x - 1} \right){\rm{d}}x} = {x^2} - 3x + 4\) có hai nghiệm phân biệt?

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