document.write( "Question 715445: I am trying to expand a natural log of a fraction. I am looking at the ln of (x^2-1 over x^4). The textbook also points out that x>1 although I don't know why that information is important to solve this. The answer I came up with was ln(x^2-1)-4lnx but webassign.net says it is wrong. I am stumped and my stupid textbook doesn't explain what I'm doing wrong. Please help. \n" ); document.write( "

Algebra.Com's Answer #439425 by Alan3354(69443) $\"\"$ $\"About$

You can put this solution on YOUR website!
I am trying to expand a natural log of a fraction. I am looking at the ln of (x^2-1 over x^4). The textbook also points out that x>1 although I don't know why that information is important to solve this. The answer I came up with was ln(x^2-1)-4lnx but webassign.net says it is wrong. I am stumped and my stupid textbook doesn't explain what I'm doing wrong.\r
\n" ); document.write( "\n" ); document.write( "------------------
\n" ); document.write( " $\"ln%28%28x%5E2-1%29%2Fx%5E4%29+=+ln%28x%5E2-1%29+-+4ln%28x%29\"$
\n" ); document.write( "Maybe you're expected to factor the numerator?
\n" ); document.write( "= $\"ln%28x%2B1%29+%2B+ln%28x-1%29+-+4ln%28x%29\"$
\n" ); document.write( " \n" ); document.write( "

\n" );