Question 926339
<pre>Infinite geometric series with {{{a[1]=1/3}}}, {{{r=-1/3}}}

{{{S[infinity]}}}{{{""=""}}}{{{a[1]/(1-r)}}}{{{""=""}}}{{{expr(1/3)/(1-(-1/3))}}}{{{""=""}}}{{{expr(1/3)/(1+1/3)}}}{{{""=""}}}{{{expr(1/3)/(3/3+1/3)}}}{{{""=""}}}{{{expr(1/3)/(4/3)}}}{{{""=""}}}{{{expr(1/3)*expr(3/4)}}}{{{""=""}}}{{{1/4}}}

Edwin</pre>