题目
People are always afraid of making mistakes.But sometimes it’s not bad to make mistakes,and her
is a why.At first,mistakes are a clear sign that you are trying new.things.It’s always good to try new things,because when you are trying new things you are growing .If you never try new things ,how can you improve The simple answer is,“ You can’t .” Look around you,everything you see the result of someone trying new things.Another good thing about mistakes is this :when you are
is a why.At first,mistakes are a clear sign that you are trying new.things.It’s always good to try new things,because when you are trying new things you are growing .If you never try new things ,how can you improve The simple answer is,“ You can’t .” Look around you,everything you see the result of someone trying new things.Another good thing about mistakes is this :when you are
提问时间：2020-07-18
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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