<PRE><B>Question 1165766</B>
.


Square root of &amp;nbsp;7, &amp;nbsp;&amp;nbsp;{{{sqrt(7)}}}, &amp;nbsp;&amp;nbsp;is a real, &amp;nbsp;an irrational number.


For the proof, &amp;nbsp;see the lesson

&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;- &lt;A HREF=http://www.algebra.com/algebra/homework/Number-Line/Proving-irrationality-of-some-real-numbers.lesson&gt;Proving irrationality of some real numbers&lt;/A&gt;

in this site.



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