<PRE><B>Question 359108</B>
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Remember FOIL?


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ (a\ +\ b)^2\ =\ (a\ +\ b)(a\ +\ b)\ =\ a^2\ +\ 2ab\ +\ b^2]


Just let *[tex \Large a\ =\ 2] and *[tex \Large b\ =\ \sqrt{5x\,-\,1}] and follow the pattern.


John
*[tex \LARGE e^{i\pi} + 1 = 0]
My calculator said it, I believe it, that settles it
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