... 20dx(2x 1) x 1+ +∫99.( )2b220a xdxa x−+∫ (a, b lµ sè thùc d¬ng cho tríc) (HV KTQS_01A) 100. a2 2 20x x a dx a 0 ,+ >∫(§H AN_96)101.20xsin xdx2 cos xπ+∫(§H AN_97)102./...
... 20dx(2x 1) x 1+ +∫99.( )2b220a xdxa x−+∫ (a, b lµ sè thùc d¬ng cho tríc) (HV KTQS_01A) 100. a2 2 20x x a dx a 0 ,+ >∫(§H AN_96)101.20xsin xdx2 cos xπ+∫(§H AN_97)102./...