document.write( "Question 1009693: X to the power -n is equal to 1/x to the power n, prove it \n" ); document.write( "
Algebra.Com's Answer #625160 by rothauserc(4718)\"\" \"About 
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x^(m-n) = x^m / x^n
\n" ); document.write( "note this is a law of exponents
\n" ); document.write( "let m = 0
\n" ); document.write( "x^(0-n) = x^0 / x^n
\n" ); document.write( "note that x^0 = 1, then
\n" ); document.write( "x^(-n) = 1 / x^n\r
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