12/09/15 08:57:56.79 Iobxrcyo0
>>836
logｘをｘで微分すると1/logｘ
logｙをｙで微分すると1/logｙ
d/dx (logｙ)=dy/dx * d/dy (logｙ)=y'×1/y=y'/y
12/09/15 08:57:56.79 Iobxrcyo0
>>836
logｘをｘで微分すると1/logｘ
logｙをｙで微分すると1/logｙ
d/dx (logｙ)=dy/dx * d/dy (logｙ)=y'×1/y=y'/y
12/09/15 08:57:56.79 Iobxrcyo0
>>836
logｘをｘで微分すると1/logｘ
logｙをｙで微分すると1/logｙ
d/dx (logｙ)=dy/dx * d/dy (logｙ)=y'×1/y=y'/y