Tìm tất cả nguyên hàm F(x) của hàm số \(% MathType!MTEF!2!1!+- % feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamOzamaabm % aabaGaamiEaaGaayjkaiaawMcaaiabg2da9iaadIhacqGHsisldaWc % aaqaaiaaigdaaeaacaWG4baaaaaa!3E1D! f\left( x \right) = x - \frac{1}{x}\)
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Lời giải:
Báo sai\(% MathType!MTEF!2!1!+- % feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn % hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr % 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq-Jc9 % vqaqpepm0xbba9pwe9Q8fs0-yqaqpepae9pg0FirpepeKkFr0xfr-x % fr-xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaa8qaaeaada % qadaqaaiaadIhacqGHsisldaWcaaqaaiaaigdaaeaacaWG4baaaaGa % ayjkaiaawMcaaiaabsgacaWG4baaleqabeqdcqGHRiI8aOGaeyypa0 % ZaaSaaaeaacaaIXaaabaGaaGOmaaaacaWG4bWaaWbaaSqabeaacaaI % YaaaaOGaeyOeI0IaciiBaiaac6gadaabdaqaaiaadIhaaiaawEa7ca % GLiWoacqGHRaWkcaWGdbaaaa!4C2F! \int {\left( {x - \frac{1}{x}} \right){\rm{d}}x} = \frac{1}{2}{x^2} - \ln \left| x \right| + C\)