||'''Book'''|| Advanced Engineering Mathematics || ||'''Author'''|| Erwin Kreyszig || ||'''Edition'''|| 8th Edition || /* code_begins */ {{{ var('z') f=function('f',z);f f=(i*z+2)/(3*z-6*i);f var('x') x(2+3*I) }}} /* code_ends */ * '''Solution by''': * , , * , ,