Nguyên hàm của hàm số \(% MathType!MTEF!2!1!+- % feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzaiaacI % cacaWG4bGaaiykaiabg2da9iaadIhadaahaaWcbeqaaiaaikdaaaGc % cqGHRaWkdaWcaaqaaiaaiodaaeaacaWG4baaaiabgkHiTiaaikdada % GcaaqaaiaadIhaaSqabaaaaa!4198! f(x) = {x^2} + \frac{3}{x} - 2\sqrt x \) là.
Suy nghĩ và trả lời câu hỏi trước khi xem đáp án
Lời giải:
Báo sai\(x% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8qaaeaaca % WGMbGaaiikaiaadIhacaGGPaGaaeizaiaadIhaaSqabeqaniabgUIi % YdGccqGH9aqpdaWdbaqaamaabmaabaGaamiEamaaCaaaleqabaGaaG % OmaaaakiabgUcaRmaalaaabaGaaG4maaqaaiaadIhaaaGaeyOeI0Ia % aGOmamaakaaabaGaamiEaaWcbeaaaOGaayjkaiaawMcaaaWcbeqab0 % Gaey4kIipakiaabsgacaWG4bGaeyypa0ZaaSaaaeaacaWG4bWaaWba % aSqabeaacaaIZaaaaaGcbaGaaG4maaaacqGHRaWkcaaIZaGaciiBai % aac6gadaabdaqaaiaadIhaaiaawEa7caGLiWoacqGHsisldaWcaaqa % aiaaisdaaeaacaaIZaaaaiaadIhadaGcaaqaaiaadIhaaSqabaGccq % GHRaWkcaWGdbaaaa!5CA3! \int {f(x){\rm{d}}x} = \int {\left( {{x^2} + \frac{3}{x} - 2\sqrt x } \right)} {\rm{d}}x = \frac{{{x^3}}}{3} + 3\ln \left| x \right| - \frac{4}{3}x\sqrt x + C\)