已知函数f(x)=kx+m,当x∈[a1,b1]时,值域为[a2,b2]…已知函数f(x)=kx+m,当x∈[a1,b1]时,值域为[a2,b2]…当x∈[a(n-1),b(n-1)],值域为[an,bn] 已知a1=0,b1=1.(1)已知k=2,bn为等比数列,试求m的值.(2)k>0时,令Sn为{an}的前n
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![已知函数f(x)=kx+m,当x∈[a1,b1]时,值域为[a2,b2]…已知函数f(x)=kx+m,当x∈[a1,b1]时,值域为[a2,b2]…当x∈[a(n-1),b(n-1)],值域为[an,bn] 已知a1=0,b1=1.(1)已知k=2,bn为等比数列,试求m的值.(2)k>0时,令Sn为{an}的前n](/uploads/image/z/5586907-67-7.jpg?t=%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dkx%2Bm%2C%E5%BD%93x%E2%88%88%5Ba1%2Cb1%5D%E6%97%B6%2C%E5%80%BC%E5%9F%9F%E4%B8%BA%5Ba2%2Cb2%5D%E2%80%A6%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dkx%2Bm%2C%E5%BD%93x%E2%88%88%5Ba1%2Cb1%5D%E6%97%B6%2C%E5%80%BC%E5%9F%9F%E4%B8%BA%5Ba2%2Cb2%5D%E2%80%A6%E5%BD%93x%E2%88%88%5Ba%28n-1%29%2Cb%28n-1%29%5D%2C%E5%80%BC%E5%9F%9F%E4%B8%BA%5Ban%2Cbn%5D+%E5%B7%B2%E7%9F%A5a1%3D0%2Cb1%3D1.%281%29%E5%B7%B2%E7%9F%A5k%3D2%2Cbn%E4%B8%BA%E7%AD%89%E6%AF%94%E6%95%B0%E5%88%97%2C%E8%AF%95%E6%B1%82m%E7%9A%84%E5%80%BC.%282%29k%3E0%E6%97%B6%2C%E4%BB%A4Sn%E4%B8%BA%7Ban%7D%E7%9A%84%E5%89%8Dn)
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