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Questions  >>  CBSE XI  >>  Math  >>  Binomial Theorem
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The power of x occuring in the $7^{th}$ term in the expansion of $\big(\large\frac{4x}{5}-\frac{8}{5x}\big)^9$ is

$\begin{array}{1 1}(A)\;3\\(B)\;-3\\(C)\;\large\frac{160}{27}\\(D)\;\large\frac{80}{3}\end{array} $

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