Answer
$\left(\begin{array}{l} 100\\ 98 \end{array}\right)=4950$
Work Step by Step
We evaluate:
$\left(\begin{array}{l} 100\\ 98 \end{array}\right)=\frac{100!}{98!2!}=\frac{100*99*98!}{98!*2*1}=\frac{100*99}{2}=50*99=4950$
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