document.write( "Question 375306: What is the middle term in the expansion of \"+%28x-1%2Fx%29%5E6%29\" \n" ); document.write( "
Algebra.Com's Answer #266862 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
The expansion has 7 terms, so we need the fourth term:
\n" ); document.write( "\"C%286%2C3%29%2Ax%5E3%2A%281%2Fx%29%5E3+=+20x%5E3%2A%281%2Fx%5E3%29+=+20\".
\n" ); document.write( "
\n" );