Question about "The Lady,or the Tiger?"
题目
Question about "The Lady,or the Tiger?"
The lover knows that the princess knows which door hides the lady,and which door hides the tiger.How well does the lover konw the princesse?Will he open the door she has chosen?Or,believing it hides the tiger,will he open the other one?Why,finally,did he open the door on the right?
答案
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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