document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=525473>Question 525473</A>: <I><SPAN STYLE=\"word-break: break-all;\"> NATURAL LOGARITHMS: ln (1/e)= -1  -----why?\r<BR>\n" );
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document.write( "i've looked through my book and it lists the natural logarithms properties but i can't find why ln (1/e)= -1 ... right of the bat, i went \"oh, -1\", but i can't find a logical step-by-step process to explain why the answer is -1... any help? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #348115 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=348115\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ln (1/e)\r<BR>\n" );
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document.write( "ln (1) - ln(e) .... Using the idea that ln(x/y) = ln(x)-ln(y)\r<BR>\n" );
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document.write( "0 - ln(e) ... Since ln(1) = 0\r<BR>\n" );
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document.write( "-ln(e)\r<BR>\n" );
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document.write( "-(1) .... because ln(e) = 1 by definition\r<BR>\n" );
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document.write( "-1\r<BR>\n" );
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document.write( "So ln(1/e) = -1 </SPAN>\n" );
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