对数的有趣性质
D( In (2*x) )
=1/(2*x)*D (2*x)
=1/x
=D ( In (x) )
也可以这样看
D( In (2*x) )
=D( In (x) + In (2) )
=D ( In (x) )
对数的有趣性质
D( In (2*x) )
=1/(2*x)*D (2*x)
=1/x
=D ( In (x) )
也可以这样看
D( In (2*x) )
=D( In (x) + In (2) )
=D ( In (x) )