document.write( "Question 1104654: Given log3 a = c and log3 b=2c, then solve for a
\n" );
document.write( "SOLUTION
\n" );
document.write( "take the base for common logarithms as 10
\n" );
document.write( "rewrite each in index notation i.e
\n" );
document.write( "10^c = 3a, and 10^(2c)= 3b\r
\n" );
document.write( "\n" );
document.write( "let y= 10^c such that y=3a and y^2= 3b
\n" );
document.write( "this implies that 9a^2=3b
\n" );
document.write( "therefore a^2=3b/9
\n" );
document.write( "a=(b/3)^0.5\r
\n" );
document.write( "\n" );
document.write( " \n" );
document.write( "
Algebra.Com's Answer #719350 by owandera(2)![]() ![]() ![]() You can put this solution on YOUR website! Given log3 a = c and log3 b=2c, then solve for a \n" ); document.write( "SOLUTION \n" ); document.write( "take the base for common logarithms as 10 \n" ); document.write( "rewrite each in index notation i.e \n" ); document.write( "10^c = 3a, and 10^(2c)= 3b\r \n" ); document.write( "\n" ); document.write( "let y= 10^c such that y=3a and y^2= 3b\r \n" ); document.write( "\n" ); document.write( "this implies that (3a)^2=3b\r \n" ); document.write( "\n" ); document.write( "therefore a^2=3b/9\r \n" ); document.write( "\n" ); document.write( "a=(b/3)^0.5\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |