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<p><font face="serif">The "volume element" for the integrations you
need to do for part 6 of worksheet 4 is
<math xmlns="http://www.w3.org/1998/Math/MathML"><semantics><mrow><mo
lspace="0em" rspace="0em">sin</mo><mo stretchy="false">(</mo><mi>θ</mi><mo
stretchy="false">)</mo><mi>d</mi><mi>θ</mi><mi>d</mi><mi>ϕ</mi></mrow><annotation
encoding="TeX">\sin(\theta)d\theta d\phi
</annotation></semantics></math></font><br>
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<pre class="moz-signature" cols="72">--
Andrew J. Pounds, Ph.D. (<a class="moz-txt-link-abbreviated" href="mailto:pounds_aj@mercer.edu">pounds_aj@mercer.edu</a>)
Professor of Chemistry and Computer Science
Director of the Computational Science Program
Mercer University, Macon, GA 31207 (478) 301-5627
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