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

/* code_begins */

{{{
x=var('x')
m1=var('m1')
m2=var('m2')
W=det(matrix([[x**m1,x**m2],[m1*x**(m1-1),m2*x**(m2-1)]]))        
W.simplify_rational()}}}

/* code_ends */

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