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Mathematics 18 Online
OpenStudy (anonymous):

Express In the form nPr. 6x5x4

geerky42 (geerky42):

3x2x1 is missing so that means \(6\times5\times4 = \dfrac{6!}{3!}\) Also:\[\Large _nP_r = \dfrac{n!}{(n-r)!}\]

geerky42 (geerky42):

Hope you get enough hints @Jessica1606

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