曲线y=lnx在点M(e,1)处的切线的斜率是______,切线的方程为______

2025-06-20 15:08:32
推荐回答(1个)
回答1:

y′=

1
x
,切点为M(e,1),
则切线的斜率k=
1
e

切线方程为:y-1=
1
e
(x-e)化简得:x-ey=0
故答案为:
1
e
,x-ey=0