设曲线y=^e1?x2与直线x=-1的交点为P,则曲线在点P处的切线方程是(  

题库总管2019-12-17  20

问题 设曲线y=^e1?x2与直线x=-1的交点为P,则曲线在点P处的切线方程是(  )

选项 A.2x-y+2=0B.2x+y+1=0C.2x+y-3=0D.2x-y+3=0

答案D

解析[img]/upload/tiku/190/2457144_1.png[/img]@##
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