已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,求数列an的通向公式.已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2.求数列an的通向公式.第一遍打错了。是下面这个。an+1=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2
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![已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,求数列an的通向公式.已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2.求数列an的通向公式.第一遍打错了。是下面这个。an+1=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2](/uploads/image/z/1270358-62-8.jpg?t=%E5%B7%B2%E7%9F%A5%E6%95%B0%E5%88%97%7Ban%7D%E6%BB%A1%E8%B6%B3a1%3D-1%2Can%3D%5B%283n%2B3%29an%2B4n%2B6%5D%2Fn%2C%E6%B1%82%E6%95%B0%E5%88%97an%E7%9A%84%E9%80%9A%E5%90%91%E5%85%AC%E5%BC%8F.%E5%B7%B2%E7%9F%A5%E6%95%B0%E5%88%97%7Ban%7D%E6%BB%A1%E8%B6%B3a1%3D-1%2Can%3D%5B%283n%2B3%29an%2B4n%2B6%5D%2Fn%2Cbn%3D3%5E%28n-1%29%2Fan%2B2.%E6%B1%82%E6%95%B0%E5%88%97an%E7%9A%84%E9%80%9A%E5%90%91%E5%85%AC%E5%BC%8F.%E7%AC%AC%E4%B8%80%E9%81%8D%E6%89%93%E9%94%99%E4%BA%86%E3%80%82%E6%98%AF%E4%B8%8B%E9%9D%A2%E8%BF%99%E4%B8%AA%E3%80%82an%2B1%3D%5B%283n%2B3%29an%2B4n%2B6%5D%2Fn%2Cbn%3D3%5E%28n-1%29%2Fan%2B2)
已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,求数列an的通向公式.已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2.求数列an的通向公式.第一遍打错了。是下面这个。an+1=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2
已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,求数列an的通向公式.
已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2.求数列an的通向公式.
第一遍打错了。是下面这个。
an+1=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2
已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,求数列an的通向公式.已知数列{an}满足a1=-1,an=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2.求数列an的通向公式.第一遍打错了。是下面这个。an+1=[(3n+3)an+4n+6]/n,bn=3^(n-1)/an+2
由an=[(3n+3)an+4n+6]/n可以把an解出来,麻烦检查下是否打错.不然的话an=-2
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