Tích phân \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamysaiabg2 % da9maapehabaGaaG4maiaadIhacaqGLbWaaWbaaSqabeaacaWG4baa % aOGaaeizaiaadIhaaSqaaiabgkHiTiaaigdaaeaacaaIYaaaniabgU % IiYdaaaa!424E! I = \int\limits_{ - 1}^2 {3x{{\rm{e}}^x}{\rm{d}}x} \) nhận giá trị nào sau đây 

Đặt \( u = 3x \Rightarrow {\rm{d}}u = 3{\rm{d}}x\) , \( {\rm{d}}v = {{\rm{e}}^x}{\rm{d}}x \Rightarrow v = {{\rm{e}}^x}\)

\(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamysaiabg2 % da9maapehabaGaaG4maiaadIhacaqGLbWaaWbaaSqabeaacaWG4baa % aOGaaeizaiaadIhaaSqaaiabgkHiTiaaigdaaeaacaaIYaaaniabgU % IiYdaaaa!424E! I = \int\limits_{ - 1}^2 {3x{{\rm{e}}^x}{\rm{d}}x} \) \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeyypa0Zaaq % GaaeaacaaIZaGaamiEaiaabwgadaahaaWcbeqaaiaadIhaaaaakiaa % wIa7amaaDaaaleaacqGHsislcaaIXaaabaGaaGOmaaaakiabgkHiTm % aapehabaGaaG4maiaabwgadaahaaWcbeqaaiaadIhaaaGccaqGKbGa % amiEaaWcbaGaeyOeI0IaaGymaaqaaiaaikdaa0Gaey4kIipaaaa!4977! = \left. {3x{{\rm{e}}^x}} \right|_{ - 1}^2 - \int\limits_{ - 1}^2 {3{{\rm{e}}^x}{\rm{d}}x} \)\(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeyypa0JaaG % OnaiaabwgadaahaaWcbeqaaiaaikdaaaGccqGHRaWkcaaIZaGaaeyz % amaaCaaaleqabaGaeyOeI0IaaGymaaaakiabgkHiTmaaeiaabaGaaG % 4maiaabwgadaahaaWcbeqaaiaadIhaaaaakiaawIa7amaaDaaaleaa % cqGHsislcaaIXaaabaGaaGOmaaaaaaa!45E7! = 6{{\rm{e}}^2} + 3{{\rm{e}}^{ - 1}} - \left. {3{{\rm{e}}^x}} \right|_{ - 1}^2\) \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeyypa0JaaG % OnaiaabwgadaahaaWcbeqaaiaaikdaaaGccqGHRaWkcaaIZaGaaeyz % amaaCaaaleqabaGaeyOeI0IaaGymaaaakiabgkHiTmaabmaabaGaae % 4maiaabwgadaahaaWcbeqaaiaaikdaaaGccqGHsislcaaIZaGaaeyz % amaaCaaaleqabaGaeyOeI0IaaGymaaaaaOGaayjkaiaawMcaaaaa!4772! = 6{{\rm{e}}^2} + 3{{\rm{e}}^{ - 1}} - \left( {{\rm{3}}{{\rm{e}}^2} - 3{{\rm{e}}^{ - 1}}} \right)\) \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeyypa0JaaG % 4maiaabwgadaahaaWcbeqaaiaaikdaaaGccaqGRaGaaeOnaiaabwga % daahaaWcbeqaaiabgkHiTiaaigdaaaaaaa!3DB5! = 3{{\rm{e}}^2}{\rm{ + 6}}{{\rm{e}}^{ - 1}}\)