Question 284072
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ \small{50}\LARGE C\small{5}\ \LARGE \times\  \small{30}\LARGE C\small{1}]


Where *[tex \LARGE \ \ \ \ \ \ \ \ \ \ \small{n}\LARGE C\small{k}\LARGE\ =\ \left(n\cr k\right)\ =\ \frac{n!}{k!(n-k)!}]



John
*[tex \LARGE e^{i\pi} + 1 = 0]
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