If f(x)=|(log)e|x||,t h e nf^(prime)(x)e...

If `f(x)=|(log)_e|x||,t h e nf^(prime)(x)e q u a l s` (a)`1/(|x|),w h e r ex!=0` (b)`1/xfor|x|>1a n d-1/xfor|x|<1` (c)`-1/xfor|x|>1a n d1/xfor|x|<1` (d)`1/xforx >0a n d-1/xforx<0`

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