求第三题解题过程啊谢谢。
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f(x)
=ax ; x<0
=e^x -1 ; x≥0
f(0+)=f(0) = lim(x->0) ( e^x -1) = 1-1 =0
f(0-) =lim(x->0) ax =0
x=0, f(x) 连续
f'(0+) = e^0 =1
f'(0-)
=lim(h->0) [ah - f(0) ]/h
=lim(h->0) ah/h
=a
=f'(0+)
=> a=1
ie
a=1
x=0 , f(x) 可导
=ax ; x<0
=e^x -1 ; x≥0
f(0+)=f(0) = lim(x->0) ( e^x -1) = 1-1 =0
f(0-) =lim(x->0) ax =0
x=0, f(x) 连续
f'(0+) = e^0 =1
f'(0-)
=lim(h->0) [ah - f(0) ]/h
=lim(h->0) ah/h
=a
=f'(0+)
=> a=1
ie
a=1
x=0 , f(x) 可导
追问
其实...(我看不懂~~)如果可以的话,可以手写吗?😭😭
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