Square root: Difference between revisions

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"The third equality cannot be justified."
*Fixed typo of "important".
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=== Properties ===
 
The following importatnimportant properties of the square root functions are valid for all positive real numbers ''x'' and ''y'':
*&radic;''x'' = ''x''<sup>1/2</sup>
*&radic;(''x'' &middot; ''y'') = &radic;''x'' &middot; &radic;''y''