- #1

bugatti79

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## Homework Statement

[itex]lim \underset{x \rightarrow }{\infty} {\frac{1+t^2}{1-t^2}}i+tan^{-1}(t)j+\frac{1-e^{-2t}}{t}k[/itex]

First term = [itex]=\frac{1/t^2+1}{1/t^2-1}=-1[/itex]

How do I show the second term and also the e^(-2t) term?

Thanks

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