He has been in power ten years since he came to power.
题目
He has been in power ten years since he came to power.
麻烦告诉我,要速度哦
答案
从他上台以来,他已经当权10年了.
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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.
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