求两道高中数学题的详细解答,数列和圆锥曲线的1.已知函数f(x)=lnx-x+1(x∈[1,+∞)),数列{an}满足a1=e, (a的n+1项)/an=e(n∈N*) (1)求数列{an}的通向公式an (2)求f(a1)+f(a2)+…+f(an) (3)
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![求两道高中数学题的详细解答,数列和圆锥曲线的1.已知函数f(x)=lnx-x+1(x∈[1,+∞)),数列{an}满足a1=e, (a的n+1项)/an=e(n∈N*) (1)求数列{an}的通向公式an (2)求f(a1)+f(a2)+…+f(an) (3)](/uploads/image/z/4064367-39-7.jpg?t=%E6%B1%82%E4%B8%A4%E9%81%93%E9%AB%98%E4%B8%AD%E6%95%B0%E5%AD%A6%E9%A2%98%E7%9A%84%E8%AF%A6%E7%BB%86%E8%A7%A3%E7%AD%94%2C%E6%95%B0%E5%88%97%E5%92%8C%E5%9C%86%E9%94%A5%E6%9B%B2%E7%BA%BF%E7%9A%841.%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3Dlnx-x%2B1%28x%E2%88%88%5B1%2C%2B%E2%88%9E%29%EF%BC%89%2C%E6%95%B0%E5%88%97%EF%BD%9Ban%EF%BD%9D%E6%BB%A1%E8%B6%B3a1%3De%2C++%EF%BC%88a%E7%9A%84n%2B1%E9%A1%B9%EF%BC%89%2Fan%3De%EF%BC%88n%E2%88%88N%2A%EF%BC%89+%EF%BC%881%EF%BC%89%E6%B1%82%E6%95%B0%E5%88%97%EF%BD%9Ban%EF%BD%9D%E7%9A%84%E9%80%9A%E5%90%91%E5%85%AC%E5%BC%8Fan++%EF%BC%882%EF%BC%89%E6%B1%82f%28a1%29%2Bf%28a2%29%2B%E2%80%A6%2Bf%28an%29++++%283%29)
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