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2 lines
1.3 KiB
Plaintext
2 lines
1.3 KiB
Plaintext
<math xmlns="http://www.w3.org/1998/Math/MathML" display="block" ><mrow > <msub><mrow ><mi >R</mi></mrow><mrow ><mi >F</mi> </mrow></msub ><mrow ><mo class="MathClass-open">(</mo><mrow><mi >x</mi><mo class="MathClass-punc">,</mo><mi >y</mi><mo class="MathClass-punc">,</mo><mi >z</mi></mrow><mo class="MathClass-close">)</mo></mrow> <mo class="MathClass-rel">=</mo> <mfrac><mrow ><mn>1</mn></mrow> <mrow ><mn>2</mn></mrow></mfrac><msubsup><mrow ><mo class="MathClass-op"> ∫ <!--nolimits--></mo><!--nolimits--></mrow><mrow ><mn>0</mn></mrow><mrow ><mi >∞</mi></mrow></msubsup ><msup><mrow ><mrow ><mo class="MathClass-open">[</mo><mrow><mrow ><mo class="MathClass-open">(</mo><mrow><mi >t</mi> <mo class="MathClass-bin">+</mo> <mi >x</mi></mrow><mo class="MathClass-close">)</mo></mrow><mrow ><mo class="MathClass-open">(</mo><mrow><mi >t</mi> <mo class="MathClass-bin">+</mo> <mi >y</mi></mrow><mo class="MathClass-close">)</mo></mrow><mrow ><mo class="MathClass-open">(</mo><mrow><mi >t</mi> <mo class="MathClass-bin">+</mo> <mi >z</mi></mrow><mo class="MathClass-close">)</mo></mrow></mrow><mo class="MathClass-close">]</mo></mrow></mrow><mrow ><mo class="MathClass-bin">−</mo><mfrac><mrow ><mn>1</mn></mrow><mrow ><mn>2</mn></mrow></mfrac> </mrow></msup ><mi >d</mi><mi >t</mi></mrow></math>
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