• 2022-07-23
    将函数[img=80x34]18033dab7bfbed3.jpg[/img]展开成[img=33x17]18033dab841a2a3.jpg[/img]的幂级数表示式为( )
    A: [img=74x46]18033dab8b49feb.jpg[/img]
    B: [img=88x46]18033dab94c4833.jpg[/img]
    C: [img=112x46]18033dab9d07c49.jpg[/img]
    D: [img=112x46]18033daba57895e.jpg[/img]