document.write( "Question 879509: I need to prove that this logarithm is true/false: logbase25(49)=logbase5(7) I think I need to make them equal to one on either side, but am not sure how to do so! PLEASE HELP \n" ); document.write( "

Algebra.Com's Answer #530841 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"log%2825%2C%2849%29%29=y\"$
\n" ); document.write( " $\"25%5Ey=49\"$
\n" ); document.write( " $\"%285%5E2%29%5Ey=7%5E2\"$
\n" ); document.write( " $\"sqrt%285%5E%282y%29%29=sqrt%287%5E2%29\"$
\n" ); document.write( " $\"5%5E%28y%29=7\"$
\n" ); document.write( " $\"log%285%2C%287%29%29=y\"$
\n" ); document.write( "They both equal $\"y\"$ so they equal each other.
\n" ); document.write( " \n" ); document.write( "

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