Use rationalization to simplify the given expression: 9t^2 -------------------- t + 2 - 2sqrt(t + 1) I haven't got the slightest idea on how to approach this problem. Any help is appreciated!
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Its a nasty looking thing but the hint is saying to use rationalization (i'm guessing in the denominator). Try $\displaystyle \displaystyle \frac{9t^2}{t+2-2\sqrt{t+1}} \times \frac{t+2+2\sqrt{t+1}}{t+2+2\sqrt{t+1}}$
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