题目
2013年春七年级下册第七单元A部分2d的解释
Rick:Hello,Rick speaking.Steve:Hi,Rick.It’s Steve.How’s it going?Rick:Not bad,thanks.The weather’s great.What are you doing?Steve:I’m playing basketball with some friends at the park.Rick:Sounds like you’re having a good time.Steve:Yeah.Is your brother at home?Rick:Oh,he’s not here.He’s studying at his friend’s home.Steve:Can I take a message for him?Rick:Yes.Could you just tell him to call me back?Steve:Sure.No problem.
Rick:Hello,Rick speaking.Steve:Hi,Rick.It’s Steve.How’s it going?Rick:Not bad,thanks.The weather’s great.What are you doing?Steve:I’m playing basketball with some friends at the park.Rick:Sounds like you’re having a good time.Steve:Yeah.Is your brother at home?Rick:Oh,he’s not here.He’s studying at his friend’s home.Steve:Can I take a message for him?Rick:Yes.Could you just tell him to call me back?Steve:Sure.No problem.
提问时间:2020-10-25
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.
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