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osanseviero

  • 2 years ago

Is my process (binomial theorem) correct?

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  1. osanseviero
    • 2 years ago
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    Q1: Find the ninth tenth of this bonomial \[(x-\frac{ 1 }{ x })^{12}\] So n=12, and r=9-1=8

  2. osanseviero
    • 2 years ago
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    \[\left(\begin{matrix}12 \\ 8\end{matrix}\right)a ^{4}b ^{8}\]

  3. osanseviero
    • 2 years ago
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    \[\frac{ 8!\times9\times10\times11\times12 }{ 8!\times2\times3\times4 }\]

  4. osanseviero
    • 2 years ago
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    \[495\left( x ^{4} \right)\left( \frac{ 1 }{ x ^{8} } \right)\]=\[495x ^{-4}\] Correct?

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