99 lines
2.0 KiB
Plaintext
99 lines
2.0 KiB
Plaintext
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block">
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<mrow>
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<mtable columnalign="right center left">
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<mtr>
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<mtd>
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<mtext>f</mtext>
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<mfenced>
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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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<mo>,</mo>
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<mi>p</mi>
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</mrow>
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</mfenced>
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</mtd>
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<mtd>
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<mo>=</mo>
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</mtd>
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<mtd>
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<msub>
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<mi/>
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<mi>n</mi>
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</msub>
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<msub>
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<mi>C</mi>
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<mi>k</mi>
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</msub>
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<msup>
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<mi>p</mi>
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<mi>k</mi>
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</msup>
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<msup>
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<mfenced>
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<mrow>
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<mn>1</mn>
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<mo>−</mo>
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<mi>p</mi>
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</mrow>
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</mfenced>
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<mrow>
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<mi>n</mi>
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<mo>−</mo>
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<mi>k</mi>
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</mrow>
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</msup>
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</mtd>
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</mtr>
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<mtr>
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<mtd>
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<mspace width="1em"/>
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</mtd>
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<mtd>
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<mo>=</mo>
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</mtd>
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<mtd>
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<mfrac>
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<mrow>
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<mi>n</mi>
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<mo>!</mo>
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</mrow>
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<mrow>
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<mi>k</mi>
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<mo>!</mo>
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<mfenced>
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<mrow>
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<mi>n</mi>
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<mo>−</mo>
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<mi>k</mi>
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</mrow>
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</mfenced>
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<mo>!</mo>
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</mrow>
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</mfrac>
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<msup>
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<mi>p</mi>
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<mi>k</mi>
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</msup>
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<msup>
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<mfenced>
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<mrow>
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<mn>1</mn>
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<mo>−</mo>
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<mi>p</mi>
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</mrow>
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</mfenced>
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<mrow>
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<mi>n</mi>
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<mo>−</mo>
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<mi>k</mi>
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</mrow>
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</msup>
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</mtd>
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</mtr>
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</mtable>
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</mrow>
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</math>
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