问题
填空题
曲线f(x)=
|
答案
由题意,f′(x)=
ex-f(0)+x,f(0)=f′(1) e f′(1) e
∴f′(1)=
e-f′(1) e
+1=ef′(1) e
∴f(x)=ex-1+
x21 2
∴f(1)=e-1 2
∴所求切线方程为y-e+
=e(x-1),即y=ex-1 2 1 2
故答案为:y=ex-1 2
曲线f(x)=
|
由题意,f′(x)=
ex-f(0)+x,f(0)=f′(1) e f′(1) e
∴f′(1)=
e-f′(1) e
+1=ef′(1) e
∴f(x)=ex-1+
x21 2
∴f(1)=e-1 2
∴所求切线方程为y-e+
=e(x-1),即y=ex-1 2 1 2
故答案为:y=ex-1 2