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Can you solve this?

[tex] \frac{4 \infty}{\sqrt{-1}} {(1+\sqrt{-1})^(1/\infty)-(1-\sqrt{-1})^(1/\infty)} [\tex]

Edit: why this latex is not being generated? Anyway the "expression" is

[(4*inf)/sqrt(-1)] * { [1+sqrt(-1)]^(1/inf) - [1-sqrt(-1)]^(1/inf) }

where inf stands for infinity.

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# Math Teaser

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