||'''Book'''|| Advanced Engineering Mathematics ||
 ||'''Author'''|| Erwin Kreyszig ||
 ||'''Edition'''|| 8th Edition ||

/* code_begins */

{{{
log(1)
log(4)
log(-1)
log(-4)
log(i)
log(4*i)
log(-4*i)
log(3-4*i) 



}}}

/* code_ends */

 * '''Solution by''': 
     Ravichandra,Student,Vignan Institute of Technology and Science
     Venkateswara Rao,Student,Vignan Institute of Technology and Science
     B.L.Bhavani,Faculty,Vignan Institute of Technology and Science
   *