document.write( "Question 795913: ln(x+1)-ln(x)=ln4 \n" ); document.write( "
Algebra.Com's Answer #481240 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! ln(x+1)-ln(x) = ln(4) \n" ); document.write( "Add ln(x) to both sides \n" ); document.write( "ln(x+1)= ln(4) + ln(x) \n" ); document.write( "Which is \n" ); document.write( "ln(x+1)= ln(4x) \n" ); document.write( "find the e^x of both sides \n" ); document.write( "x + 1 = 4x \n" ); document.write( "1 = 4x - x \n" ); document.write( "1 = 3x \n" ); document.write( "x = \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "you can confirm this with you calc, replace x with .3333 in the original problem \n" ); document.write( "find ln of each \n" ); document.write( " |