ag-gipp/GoUldI

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data/mathematical/108.mml

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<math xmlns='http://www.w3.org/1998/Math/MathML' display='inline'><semantics><mrow><msub><mi>A</mi> <mi>n</mi></msub><msub><mi>B</mi> <mrow><mi>n</mi><mo>−</mo><mn>1</mn></mrow></msub><mo>−</mo><msub><mi>B</mi> <mi>n</mi></msub><msub><mi>A</mi> <mrow><mi>n</mi><mo>−</mo><mn>1</mn></mrow></msub><mo>=</mo><mo stretchy="false">(</mo><mo lspace="verythinmathspace" rspace="0em">−</mo><mn>1</mn><msup><mo stretchy="false">)</mo> <mrow><mi>n</mi><mo>−</mo><mn>1</mn></mrow></msup><munderover><mo>∏</mo> <mrow><mi>k</mi><mo>=</mo><mn>1</mn></mrow> <mi>n</mi></munderover><msub><mi>a</mi> <mi>k</mi></msub></mrow><annotation encoding='application/x-tex'>A_{n}B_{n-1}-B_{n}A_{n-1}=(-1)^{n-1}\prod^{n}_{k=1}a_{k}</annotation></semantics></math>