The Binomial Theorem States That for Any Real Numbers a and B

question 5

Essay

The binomial theorem states that for any real numbers a and b, $( a + b ) ^ { n } = \sum _ { k = 0 } ^ { n } \left( \begin{array} { l } n \\ k \end{array} \right) a ^ { n - k } b ^ { k }$ for any integer $n \geq 0$ .
Use this theorem to compute $( 2 x - 1 ) ^ { 5 }$

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