题目
You look very tired.Yes I do Christmas sh
pping.
A.a lot of B.a few of C.a number of D.a pieceof
pping.
A.a lot of B.a few of C.a number of D.a pieceof
提问时间:2020-10-08
答案
I do (A.a lot of) Christmas shopping.
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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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