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<h2><span class="header-section-number">3.8</span> Power and Logarithm Functions</h2>
<!-- R; sqrt; (T x); -->
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<p><code>R</code> <strong><code>sqrt</code></strong><code>(T x)</code><br>
square root of x</p>
<!-- R; cbrt; (T x); -->
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<p><code>R</code> 