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Mathematics 15 Online
OpenStudy (itiaax):

Factorials help. *Question attached below. Will give medal

OpenStudy (itiaax):

So I have completed all the parts of this question except for d, which I am clueless as to how to do. Can someone explain and guide me along to working out part d for this question, please?

OpenStudy (mimi_x3):

hmmmm I forgot this stuff but maybe we can s|dw:1422315945559:dw|implify a bit

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