SOLUTION: r^2-1/(r+1)^2

Question 302424: r^2-1/(r+1)^2
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
(r^2-1)/(r+1)^2
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[(r-1)(r+1)]/[(r+1)(r+1)]
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= (r-1)/(r+1)
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Cheers,
Stan H.

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