用换元法计算下列积分：[tex=4.071x2.643]083DcokPjtmQ5ozbI21f8pvUEWG/dDiYrGXvpcvKCag=[/tex]
举一反三
- 利用换元法求积分[tex=4.071x2.643]i0B0Y2rSCytpWSNDGYxuv6hi25ojS4+FhORJ8Adve4s=[/tex].
- 用换元法求不定积分：[tex=4.071x2.643]DmpYY89t9qN2k2xgilglLym1nMcax0Fw9EnkcsJw0mg=[/tex]
- 用换元法计算下列积分：[tex=6.143x2.643]X30YQxxfxgWqCjh9Ut++C7LefkPgu7FN8cuuSkainTM=[/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]