document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=21169>Question 21169</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I dont underdtand this question at all.  It says write as a single logarithm.<BR>\n" );
document.write( "2log x-log y+log z-3log w?? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #10199 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=10199\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It says write as a single logarithm.<BR>\n" );
document.write( "2log x-log y+log z-3log w??<BR>\n" );
document.write( "USE THE FORMULAE<BR>\n" );
document.write( "LOG XY=LOG X+LOG Y<BR>\n" );
document.write( "LOG X/Y=LOG X-LOG Y<BR>\n" );
document.write( "LOG X^N=N*LOG X<BR>\n" );
document.write( "HENCE ....2LOG X=LG X^2<BR>\n" );
document.write( " AND......3LOG W=LOG W^3<BR>\n" );
document.write( "SUBSTITUTING ABOVE<BR>\n" );
document.write( "2log x-log y+log z-3log w = LOG X^2-LOG Y+LOG Z-LOG W^3<BR>\n" );
document.write( "=LOG (X^2*Z)/(Y*W^3)\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );