Question 1161333
<pre>
a<sub>1</sub>=1536, r=768/1536=1/2=384/768=1/2=192/384=1/2=96/192=1/2.

{{{a[n]=a[1]*r^(n-1)=a[11]=1536*(1/2)^(11-1)=1536*(1/2)^10=1536^""/2^10=1536/1024=3/2=1.5}}}

Edwin</pre>