Cho a,b là các số thực dương thỏa mãn \(% MathType!MTEF!2!1!+- % feaahqart1ev3aqaMTcvLHfij5gC1rhimfMBNvxyNvga7X1CXjhD7f % wFTW1CXjhD7jwFRetpW0hatCvAUfeBSjuyZL2yd9gzLbvyNv2Caerb % uLwBLnhiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharq % qtubsr4rNCHbGeaGqiVCI8FfYJH8YrFfeuY-Hhbbf9v8qqaqFr0xc9 % pk0xbba9q8WqFfeaY-biLkVcLq-JHqpepeea0-as0Fb9pgeaYRXxe9 % vr0-vr0-vqpWqaaeaabiGaciaacaqabeaadaqaaqaaaOqaaabaaaaa % aaaapeWaaOaaa8aabaWdbiaadggaaSqabaGccqGHsisldaGcaaWdae % aapeGaamOyaaWcbeaakiabgUcaRiaaigdacqGH9aqpcaaIWaaaaa!4CAB! \sqrt a - \sqrt b + 1 = 0\) . Tính tích phân \(% MathType!MTEF!2!1!+- % feaahqart1ev3aqaMDevLHfij5gC1rhimfMBNvxyNvga7LupCLMB0X % fBP1wA0n3x7fwFETNy9ThxMjxyJThx0vgE0Thz9HxF7X1CXjhD7HxF % 91xFamXvP5wqSXMqHnxAJn0BKvguHDwzZbqefqvATv2CG4uz3bIuV1 % wyUbqedmvETj2BSbqefm0B1jxALjhiov2DaebbnrfifHhDYfgasaac % H8YjY-vipgYlh9vqqj-hEeeu0xXdbba9frFj0-OqFfea0dXdd9vqai % -hGuQ8kuc9pgc9q8qqaq-dir-f0-yqaiVgFr0xfr-xfr-xb9adbaqa % aeGaciGaaiaabeqaamaabaabaaGcbaaeaaaaaaaaa8qacaWGjbGaey % ypa0Zaa8qCa8aabaWdbmaalaaapaqaa8qacaqGKbGaamiEaaWdaeaa % peWaaOaaa8aabaWdbiaadIhaaSqabaaaaaWdaeaapeGaamyyaaWdae % aapeGaamOyaaqdcqGHRiI8aaaa!5CEE! I = \int\limits_a^b {\frac{{{\rm{d}}x}}{{\sqrt x }}} \)

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