document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1197720>Question 1197720</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a=log4 of 7 and b=log7 of 5, then in terms of a and b, log5 is equal to:\r<BR>\n" );
document.write( "\n" );
document.write( "a) ab<BR>\n" );
document.write( "b)(2ab+1)/ab<BR>\n" );
document.write( "c)2ab/(1+2ab)<BR>\n" );
document.write( "d)(4b+a)/7<BR>\n" );
document.write( "e)a^2-b^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #831111 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=831111\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=log%284%2C7%29=log%287%29%2Flog%284%29 ALIGN=MIDDLE  ALT=\"a=log%284%2C7%29=log%287%29%2Flog%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=log%287%2C5%29=log%285%29%2Flog%287%29 ALIGN=MIDDLE  ALT=\"b=log%287%2C5%29=log%285%29%2Flog%287%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Multiply: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ab=log%285%29%2Flog%284%29 ALIGN=MIDDLE  ALT=\"ab=log%285%29%2Flog%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Solve for log(5): <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%285%29=ab%2Alog%284%29 ALIGN=MIDDLE  ALT=\"log%285%29=ab%2Alog%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Convert <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%284%29 ALIGN=MIDDLE  ALT=\"log%284%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > into an expression with <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%285%29 ALIGN=MIDDLE  ALT=\"log%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%285%29=ab%2Alog%284%29=ab%2Alog%28100%2F25%29=ab%28log%28100%29-log%2825%29%29=ab%282-2log%285%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%285%29=2ab-2ablog%285%29 ALIGN=MIDDLE  ALT=\"log%285%29=2ab-2ablog%285%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%285%29%2B2ablog%285%29=2ab ALIGN=MIDDLE  ALT=\"log%285%29%2B2ablog%285%29=2ab\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2B2ab%29log%285%29=2ab ALIGN=MIDDLE  ALT=\"%281%2B2ab%29log%285%29=2ab\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%285%29=2ab%2F%281%2B2ab%29 ALIGN=MIDDLE  ALT=\"log%285%29=2ab%2F%281%2B2ab%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "ANSWER: c)<br><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );