Tính tích phân \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8qCaeaada % qadaqaaiaaikdacaWGHbGaamiEaiabgUcaRiaadkgaaiaawIcacaGL % PaaacaqGKbGaamiEaaWcbaGaaGymaaqaaiaaikdaa0Gaey4kIipaaa % a!41A8! \int\limits_1^2 {\left( {2ax + b} \right){\rm{d}}x} \)
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Lời giải:
Báo saiTa có \(% MathType!MTEF!2!1!+- % feaahqart1ev3aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8qCaeaada % qadaqaaiaaikdacaWGHbGaamiEaiabgUcaRiaadkgaaiaawIcacaGL % PaaacaqGKbGaamiEaaWcbaGaaGymaaqaaiaaikdaa0Gaey4kIipaki % abg2da9maabmaabaGaamyyaiaadIhadaahaaWcbeqaaiaaikdaaaGc % cqGHRaWkcaWGIbGaamiEaaGaayjkaiaawMcaamaaeeaaeaqabeaaca % aIYaaabaGaaGymaaaacaGLhWoacqGH9aqpcaaI0aGaamyyaiabgUca % RiaaikdacaWGIbGaeyOeI0YaaeWaaeaacaWGHbGaey4kaSIaamOyaa % GaayjkaiaawMcaaiabg2da9iaaiodacaWGHbGaey4kaSIaamOyaaaa % !5BB5! \int\limits_1^2 {\left( {2ax + b} \right){\rm{d}}x} = \left( {a{x^2} + bx} \right)\left| \begin{array}{l} 2\\ 1 \end{array} \right. = 4a + 2b - \left( {a + b} \right) = 3a + b\)
Đề thi thử tốt nghiệp THPT QG môn Toán năm 2020
Tuyển chọn số 3