Question 863369
{{{(n+1)!/n!}}}{{{""=""}}}{{{((n+1)*(n)*(n-1)*(n-2)*""*""*3*2*1)/((n)*(n-1)*(n-2)*""*""*3*2*1)}}}{{{""=""}}}{{{((n+1)*(cross(n))*(cross(n-1))*(cross(n-2))*""*""*cross(3)*cross(2)*cross(1))/((cross(n))*(cross(n-1))*(cross(n-2))*""*""*cross(3)*cross(2)*cross(1))}}}{{{""=""}}}{{{n+1}}}
<pre>
Edwin</pre>