document.write( "Question 955429: If log a^2 b^3 = x and log (a/b) = y, what are the values of log a and log b? \n" ); document.write( "
Algebra.Com's Answer #583659 by josmiceli(19441)\"\" \"About 
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(1) \"+x+=+log%28+a%5E2%2Ab%5E3+%29+\"
\n" ); document.write( "(2) \"+y+=+log%28+a%2Fb+%29+\"
\n" ); document.write( "-------------------------
\n" ); document.write( "(1) \"+x+=+log%28+a%5E2+%29+%2B+log%28+b%5E3+%29+\"
\n" ); document.write( "(1) \"+x+=+2%2Alog%28a%29+%2B+3%2Alog%28b%29+\"
\n" ); document.write( "-------------------------------
\n" ); document.write( "(2) \"+y+=+log%28a%29+-+log%28b%29+\"
\n" ); document.write( "-------------------------
\n" ); document.write( "Multiply both sides of (2) by \"+3+\"
\n" ); document.write( "and add the equations
\n" ); document.write( "(1) \"+x+=+2%2Alog%28a%29+%2B+3%2Alog%28b%29+\"
\n" ); document.write( "(2) \"+3y+=+3%2Alog%28a%29+-+3%2Alog%28b%29+\"
\n" ); document.write( "----------------------------
\n" ); document.write( "\"+x+%2B+3y+=+5%2Alog%28a%29+\"
\n" ); document.write( "\"+log%28a%29+=+%28+x+%2B+3y+%29+%2F+5+\"
\n" ); document.write( "and
\n" ); document.write( "(2) \"+y+=+log%28a%29+-+log%28b%29+\"
\n" ); document.write( "(2) \"+y+=+%28+x+%2B+3y+%29+%2F+5+-+log%28b%29+\"
\n" ); document.write( "(2) \"+log%28b%29+=+%28+x+%2B+3y+%29+%2F+5+-+y+\"
\n" ); document.write( "(2) \"+log%28b%29+=+x%2F5+%2B+%283y%29%2F5+-+%285%2Ay%29%2F5+\"
\n" ); document.write( "(2) \"+log%28b%29+=+x%2F5+-+%282y%29%2F5+\"
\n" ); document.write( "----------------------------
\n" ); document.write( "\"+log%28a%29+=+%28+x+%2B+3y+%29+%2F+5+\"
\n" ); document.write( "\"+log%28b%29+=+%28+x+-+2y+%29+%2F+5+\" answers
\n" ); document.write( "------------------------
\n" ); document.write( "check:
\n" ); document.write( "Let \"+a+=+10+\"
\n" ); document.write( "Let \"+b+=+100+\"
\n" ); document.write( "-----------------
\n" ); document.write( "(1) \"+x+=+log%28+a%5E2%2Ab%5E3+%29+\"
\n" ); document.write( "(1) \"+x+=+log%28+10%5E2%2A100%5E3+%29+\"
\n" ); document.write( "(1) \"+x+=+log%28+10%5E8+%29+\"
\n" ); document.write( "(1) \"+x+=+8+\"
\n" ); document.write( "and
\n" ); document.write( "(2) \"+y+=+log%28+a%2Fb+%29+\"
\n" ); document.write( "(2) \"+y+=+log%28+10%2F100+%29+\"
\n" ); document.write( "(2) \"+y+=+log%28+10%5E%28-1%29+%29+\"
\n" ); document.write( "(2) \"+y+=+-1+\"
\n" ); document.write( "----------------
\n" ); document.write( "\"+log%28a%29+=+%28+x+%2B+3y+%29+%2F+5+\"
\n" ); document.write( "\"+log%2810%29+=+%28+8+-+3+%29+%2F+5+\"
\n" ); document.write( "\"+log%2810%29+=+5%2F5+\"
\n" ); document.write( "\"+1+=+1+\"
\n" ); document.write( "OK
\n" ); document.write( "\"+log%28b%29+=+%28+x+-+2y+%29+%2F+5+\"
\n" ); document.write( "\"+log%28100%29+=+%28+8+-+2%2A%28-1%29+%29+%2F+5+\"
\n" ); document.write( "\"+2+=+%28+8%2B2+%29+%2F+5+\"
\n" ); document.write( "\"+2+=+10%2F5+\"
\n" ); document.write( "\"+2+=+2+\"
\n" ); document.write( "OK
\n" ); document.write( "
\n" ); document.write( "
\n" );