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78 lines
1.5 KiB
XML
78 lines
1.5 KiB
XML
<?xml version='1.0'?>
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<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN'
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'http://www.w3.org/TR/MathML2/dtd/xhtml-math11-f.dtd'
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[<!ENTITY mathml 'http://www.w3.org/1998/Math/MathML'>]>
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<html xmlns='http://www.w3.org/1999/xhtml'>
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<head><title>digamma5</title>
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<!-- MathML created with MathCast Equation Editor version 0.89 -->
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</head>
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<body>
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<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
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<mrow>
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<mi>ψ</mi>
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<mfenced>
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<mrow>
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<mfrac>
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<mn>1</mn>
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<mn>2</mn>
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</mfrac>
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<mo>−</mo>
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<mi>n</mi>
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</mrow>
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</mfenced>
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<mo>=</mo>
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<munderover>
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<mo>∑</mo>
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<mrow>
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<mi>k</mi>
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<mo>=</mo>
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<mn>1</mn>
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</mrow>
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<mrow>
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<mi>n</mi>
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<mo>−</mo>
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<mn>1</mn>
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</mrow>
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</munderover>
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<mfrac>
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<mn>1</mn>
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<mi>k</mi>
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</mfrac>
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<mo>+</mo>
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<munderover>
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<mo>∑</mo>
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<mrow>
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<mi>k</mi>
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<mo>=</mo>
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<mi>n</mi>
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</mrow>
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<mrow>
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<mn>2</mn>
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<mi>n</mi>
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<mo>−</mo>
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<mn>1</mn>
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</mrow>
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</munderover>
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<mfrac>
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<mn>2</mn>
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<mi>k</mi>
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</mfrac>
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<mo>−</mo>
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<mi>log</mi>
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<mfenced>
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<mrow>
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<mn>4</mn>
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</mrow>
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</mfenced>
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<mo>−</mo>
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<mi>γ</mi>
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<mspace width="1em"/>
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<mo>;</mo>
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<mspace width="1em"/>
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<mi>n</mi>
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<mo>∈</mo>
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<mi>ℕ</mi>
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</mrow>
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</math>
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</body>
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</html> |