SOLUTION: (r+1)(n+1/r+1)=(n+1)(n/r)

SOLUTION: (r+1)(n+1/r+1)=(n+1)(n/r)

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Question 1115063: (r+1)(n+1/r+1)=(n+1)(n/r)
Answer by ikleyn(52781) (Show Source): You can put this solution on YOUR website!
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