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Department of Molecular and Quantum Biophysics,Institute of Molecular Biology and Genetics,National Academy of Sciences of Ukraine,150 Zabolotny Street,KyiV-143,03143,Ukraine,School of Chemistry,UniVersity of St Andrews,North Haugh,St.Andrews,Fife,KY16 9ST,Scotland,U.K.,and Department of Knowledge-based Information Engineering,Toyohashi UniVersity of Technology,Tempaku-cho,Toyohashi 441-8580,Japan .
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举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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