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

/* code_begins */

{{{
x=var('x')
W=det(matrix([[1,exp(x)],[0,exp(x)]]))
print W
W.simplify_rational()}}}

/* code_ends */

 * '''Solution by''': 
   * namdev more, teaching, RGIT,
   * dilip,teaching,RGIT