document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=408301>Question 408301</A>: <I><SPAN STYLE=\"word-break: break-all;\"> log[2](log[3]81) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #287693 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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/cgi-bin/show-face.mpl?user=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=287693\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> We wish to find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2C+%28log%283%2C+81%29%29%29 ALIGN=MIDDLE  ALT=\"log%282%2C+%28log%283%2C+81%29%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Just work from the inside out: since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%283%2C+81%29+=+4 ALIGN=MIDDLE  ALT=\"log%283%2C+81%29+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then this is equivalent to finding <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%282%2C+4%29 ALIGN=MIDDLE  ALT=\"log%282%2C+4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is equal to 2. Here, I already assumed you were familiar with finding log functions such as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%283%2C+81%29 ALIGN=MIDDLE  ALT=\"log%283%2C+81%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%5E4+=+81 ALIGN=MIDDLE  ALT=\"3%5E4+=+81\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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