用换元法计算下列积分：[tex=6.143x2.643]X30YQxxfxgWqCjh9Ut++C7LefkPgu7FN8cuuSkainTM=[/tex]
举一反三
- 利用第二类换元法计算下列不定积分.[tex=6.143x2.643]3Kw/SR2siCnrXUfTNnyUwWPDQIhfjoCEcA+jl+DJvv4nEJfHFa5I6+uCtV3F4+CC[/tex]
- 用换元法计算下列积分：[tex=4.071x2.643]083DcokPjtmQ5ozbI21f8pvUEWG/dDiYrGXvpcvKCag=[/tex]
- 用定积分的换元法计算下列积分：[tex=6.429x2.857]h0oFNrNfDLkjvUWNl512sP+JRaF3yqtsW7cfeYwurI5brE1U0DZqaIj/cedvLIye[/tex]
- 用定积分的换元法计算下列各积分:[tex=5.571x2.857]Bm2NIAoSnKMUkqxiTyH+ZDepT3CcxGcwLIB9tuK1TF4wW6um979rrPzRisLWe4oZ[/tex]
- 用定积分的换元法计算下列积分：[tex=5.5x2.786]h0oFNrNfDLkjvUWNl512sNCtvglpd7Qv7EOHFr17nZxXukh5siaTNJ2pi/JzopUJ[/tex]