document.write( "Question 221079: why is the spuare root of -49 and the square root of 49 with the negative sign outside the radical sign not equal? \n" ); document.write( "
Algebra.Com's Answer #165862 by rapaljer(4671)\"\" \"About 
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Square root of -49 is a complex solution. If complex numbers are allowed, the result is 7i.\r
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\n" ); document.write( "\n" ); document.write( "Negative square root of 49 is -7, a real number.\r
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\n" ); document.write( "\n" ); document.write( "R^2
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