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*(''x''<sup>-n</sup>) = 1 / ''x''<sup>n</sup>
*(''x''<sup>-n</sup>) = 1 / ''x''<sup>n</sup>
Fractional exponents give us [[surd]]; for example, x<sup>0.5</sup> gives us the square root:
Fractional exponents give us [[surd]]s; for example, x<sup>0.5</sup> gives us the square root:
*(''x''<sup>0.5</sup>) · (''x''<sup>0.5</sup>) = ''x''<sup>1</sup> = ''x''
*(''x''<sup>0.5</sup>) · (''x''<sup>0.5</sup>) = ''x''<sup>1</sup> = ''x''