document.write( "Question 71721: log base 2 x ^(log base 2 x) =4 \n" ); document.write( "

Algebra.Com's Answer #853658 by greenestamps(13292) $\"\"$ $\"About$

You can put this solution on YOUR website!

\n" ); document.write( "Another path to the solution....

\n" ); document.write( " $\"log%282%2C%28x%5Elog%282%2C%28x%29%29%29%29=4\"$

\n" ); document.write( "Rewrite that using $\"log%28%28A%5E%28%28B%29%29%29%29=B%2Alog%28%28A%29%29\"$

\n" ); document.write( " $\"log%282%2C%28x%29%29%2Alog%282%2C%28x%29%29=4\"$
\n" ); document.write( " $\"%28log%282%2C%28x%29%29%29%5E2=4\"$

\n" ); document.write( " $\"log%282%2C%28x%29%29=2\"$ or $\"log%282%2C%28x%29%29=-2\"$

\n" ); document.write( " $\"x=2%5E2=4\"$ or $\"x=2%5E%28-2%29=1%2F4\"$

\n" ); document.write( "ANSWERS: x=4 or x=1/4

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