document.write( "Question 71721: log base 2 x ^(log base 2 x) =4 \n" ); document.write( "
Algebra.Com's Answer #853650 by MathTherapy(10699)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "log base 2 x ^(log base 2 x) =4\r\n" );
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document.write( "The other person only had 1 of the 2 solutions. Plus, the calculator was\r\n" );
document.write( "used to get that answer. I don't think that that's what's expected!\r\n" );
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document.write( "\"log+%282%2C+%28x%5E%28log+%282%2C+%28x%29%29%29%29%29+=+4\"\r\n" );
document.write( "       \"x%5E%28log+%282%2C+%28x%29%29%29+=+2%5E4\" --------- Converting to EXPONENTIAL form\r\n" );
document.write( "       \"x%5E%28log+%282%2C+%28x%29%29%29+=+16\"\r\n" );
document.write( "          \"log+%282%2C+%28x%29%29+=+log+%28x%2C+%2816%29%29\" ---- Converting to LOGARITHMIC form\r\n" );
document.write( "          \"log+%282%2C+%28x%29%29+=+log+%28%2816%29%29%2Flog+%28%28x%29%29\"\r\n" );
document.write( "          \"log+%282%2C+%28x%29%29+=+log+%282%2C+%2816%29%29%2Flog+%282%2C+%28x%29%29\" ---- Converting right-side to base 2\r\n" );
document.write( "          \"log+%282%2C+%28x%29%29+=+4%2Flog+%282%2C+%28x%29%29\"\r\n" );
document.write( "      \"%28log+%282%2C+%28x%29%29%29%5E2+=+4\" ------- Cross-multiplying\r\n" );
document.write( "  \"sqrt%28%28log+%282%2C+%28x%29%29%29%5E2%29+=+0%2B-sqrt%284%29\" ---- Taking sqrt of both sides\r\n" );
document.write( "         \"log+%282%2C+%28x%29%29+=+0+%2B-+2\"\r\n" );
document.write( "         \"log+%282%2C+%28x%29%29+=+2\"            OR    \"log+%282%2C+%28x%29%29+=+-+2\"\r\n" );
document.write( "                 OR     
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