<div id=\"MathJax_Message\" style=\"display: none;\" data-mce-style=\"display: n

Question

<div id="MathJax_Message" data-mce-style="display: none;"><br></div><p>Need help getting started on this.... How can I determine an expression for the sequence&nbsp; <span class="formula"> <span class="math_text_before">&nbsp; &nbsp;</span></span></p><p><br><span class="formula"><span class="jax_wrap finalized_jax" data-jax="Phi_{n}"><span class="MathJax" role="textbox" aria-readonly="true"><nobr><span class="math" id="MathJax-Span-372" data-mce-style="display: inline-block;"><span data-mce-style="display: inline-block; position: relative; width: 1.169em; height: 0px; font-size: 125%;"><span data-mce-style="position: absolute; top: -1em; left: 0em; clip: rect(0.157em 1000em 1.342em -0.5em);"><span class="mrow" id="MathJax-Span-373" data-mce-style="display: inline-block;"><span class="msubsup" id="MathJax-Span-374" data-mce-style="display: inline-block;"><span data-mce-style="display: inline-block; position: relative; width: 1.196em; height: 0px;"><span data-mce-style="position: absolute; top: -1.677em; left: 0em; clip: rect(0.834em 1000em 1.862em -0.5em);"><span class="mi" id="MathJax-Span-375" data-mce-style="display: inline-block;"><img src="http://c.cheggcdn.com//a/j/MathJax/unpacked/../fonts/HTML-CSS/TeX/png/Main/Regular/336/03A6.png" data-mce-src="http://c.cheggcdn.com//a/j/MathJax/unpacked/../fonts/HTML-CSS/TeX/png/Main/Regular/336/03A6.png" data-mce-style="width: 10px; height: 11px; margin-right: 0.055em;"></span><span data-mce-style="display: inline-block; width: 0px; height: 1.677em;"></span></span><span data-mce-style="position: absolute; top: -1.158em; left: 0.752em;"><span class="texatom" id="MathJax-Span-376" data-mce-style="display: inline-block;"><span class="mrow" id="MathJax-Span-377" data-mce-style="display: inline-block;"><span class="mi" id="MathJax-Span-378" data-mce-style="display: inline-block; font-size: 70.7%;"><img src="http://c.cheggcdn.com//a/j/MathJax/unpacked/../fonts/HTML-CSS/TeX/png/Math/Italic/238/006E.png" data-mce-src="http://c.cheggcdn.com//a/j/MathJax/unpacked/../fonts/HTML-CSS/TeX/png/Math/Italic/238/006E.png" data-mce-style="width: 6px; height: 5px; margin-right: 0.019em;"></span></span></span><span data-mce-style="display: inline-block; width: 0px; height: 1.308em;"></span></span></span></span></span><span data-mce-style="display: inline-block; width: 0px; height: 1em;"></span></span></span><span data-mce-style="border-left-width: 0em; border-left-style: solid; display: inline-block; overflow: hidden; width: 0px; height: 1.02em; vertical-align: -0.197em;"></span></span></nobr></span><script type="mce-text/javascript" id="MathJax-Element-53">// <![CDATA[
Phi_{n}
// ]]></script><sup href="#" class="formula_delete" data-mce-href="#">X</sup><sub href="#" class="formula_edit" data-mce-href="#">Edit</sub></span><span class="math_text_after">&nbsp; ?</span></span></p><p><img src="https://media.cheggcdn.com/media%2Fd34%2Fd345f1b1-3576-4401-b760-e9fbf579a2f5%2FphpGbnqF1.png" data-mce-src="https://media.cheggcdn.com/media%2Fd34%2Fd345f1b1-3576-4401-b760-e9fbf579a2f5%2FphpGbnqF1.png"></p><p><img src="https://media.cheggcdn.com/media%2Fd34%2Fd345f1b1-3576-4401-b760-e9fbf579a2f5%2FphpGbnqF1.png" data-mce-src="https://media.cheggcdn.com/media%2Fd34%2Fd345f1b1-3576-4401-b760-e9fbf579a2f5%2FphpGbnqF1.png"></p><p><span class="formula"><span class="math_text_after"><br></span></span></p>

Explanation / Answer

not clear post it again dear

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