document.write( "Question 1091635: Expand. ( 2 + x )^(-4) where |x|>2 \n" ); document.write( "
Algebra.Com's Answer #706119 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "We will use the fact that\r\n" );
document.write( "\r\n" );
document.write( "\"%281%2By%29%5E%28-n%29\"\"%22%22=%22%22\"\"sum%28%28-1%29%5Ek%2A%28matrix%282%2C1%2Cn%2Bk-1%2Ck%29%29y%5Ek%2Ck=0%2Cinfinity%29\" converges for \"abs%28y%29%3C1\",\r\n" );
document.write( "\r\n" );
document.write( "and where \"%28matrix%282%2C1%2Cp%2Cq%29%29\" is the number of combinations\r\n" );
document.write( "of p things taken q at a time or \"p%21%2F%28q%21%28p-q%29%21%29\"\r\n" );
document.write( "\r\n" );
document.write( "\"%282%2Bx%29%5E%28-4%29\"\"%22%22=%22%22\"\"%28x%2B2%29%5E%28-4%29\"\"%22%22=%22%22\"\"%28x%281%2B2%2Fx%29%5E%22%22%29%5E%28-4%29\"\"%22%22=%22%22\"\"x%5E%28-4%29%281%2B2%2Fx%29%5E%28-4%29\"\"%22%22=%22%22\"\r\n" );
document.write( "\r\n" );
document.write( " converges for \"abs%282%2Fx%29%3C1\"\r\n" );
document.write( "\r\n" );
document.write( "Simplifying,\r\n" );
document.write( "\r\n" );
document.write( " converges for \"abs%28x%2F2%29%3E1\"\r\n" );
document.write( "\r\n" );
document.write( " converges for \"abs%28x%29%3E2\"\r\n" );
document.write( "\r\n" );
document.write( " converges for \"abs%28x%29%3E2\"\r\n" );
document.write( "\r\n" );
document.write( " converges for \"abs%28x%29%3E2\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );