Question 652556
<pre>
{{{(int(t*sin(t^2),dt,0,10))/(10-0)}}} =

{{{(int(sin(t^2)*t,dt,0,10))/10}}} =

{{{(red(1/2)int(sin(t^2)*(red(2)t),dt,0,10))/10}}} =

{{{(1/10)(1/2)int(sin(t^2)*(2t),dt,0,10))}}} =

{{{(1/20)int(sin(t^2)*(2t),dt,0,10))}}} =

{{{matrix(3,3,"","|",10,

(1/20)(-cos(t^2)),"|","",
              "","|",0)



}}} =  {{{(1/20)(-cos(10^2))-(-1/20)cos(0^2)}}} = {{{(-1/20)cos(100)+(1/20)(1)}}} = .0068840564

Edwin</pre>