已知{an}为等差数列,前n项和为Sn,S5=S6且a3=-6,(1)求数列{an}的通项公式(2)若等比数列{bn}满足,b2=6,6b1+b3=-5a3,求{bn}的前n项和Tn
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![已知{an}为等差数列,前n项和为Sn,S5=S6且a3=-6,(1)求数列{an}的通项公式(2)若等比数列{bn}满足,b2=6,6b1+b3=-5a3,求{bn}的前n项和Tn](/uploads/image/z/1782954-18-4.jpg?t=%E5%B7%B2%E7%9F%A5%7Ban%7D%E4%B8%BA%E7%AD%89%E5%B7%AE%E6%95%B0%E5%88%97%2C%E5%89%8Dn%E9%A1%B9%E5%92%8C%E4%B8%BASn%2CS5%3DS6%E4%B8%94a3%3D-6%2C%EF%BC%881%EF%BC%89%E6%B1%82%E6%95%B0%E5%88%97%7Ban%7D%E7%9A%84%E9%80%9A%E9%A1%B9%E5%85%AC%E5%BC%8F%EF%BC%882%EF%BC%89%E8%8B%A5%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%7Bbn%7D%E6%BB%A1%E8%B6%B3%2Cb2%3D6%2C6b1%2Bb3%3D-5a3%2C%E6%B1%82%7Bbn%7D%E7%9A%84%E5%89%8Dn%E9%A1%B9%E5%92%8CTn)
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