Asked by bobby
P(n,5)=20P(n,3)
Solve for n
Solve for n
Answers
Answered by
bobpursley
N!/(N-5)! = 20n!/(n-3)!
1=20(n-5)(n-4)
multiply out the last two terms, then find n with the quadratic formula.
1=20(n-5)(n-4)
multiply out the last two terms, then find n with the quadratic formula.
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