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Questions  >>  CBSE XI  >>  Math  >>  Binomial Theorem
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The coefficient of $x^{17}$ in the expansion of $(x-1)(x-2)\times (x-3)$.......$(x-18)$ is

$\begin{array}{1 1}(A)\;342\\(B)\;-171\\(C)\;\large\frac{171}{2}\\(D)\;684\end{array} $

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