Question 768976
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Re-write: *[tex \LARGE \left(\sqrt{c}\ +\ \sqrt{d}\right)\left(\sqrt{c}\ +\ \sqrt{d}\right)]


Now follow the pattern:  *[tex \LARGE (a\ +\ b)(a\ +\ b)\ =\ a^2\ +\ 2ab\ +\ b^2]


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
<font face="Math1" size="+2">Egw to Beta kai to Sigma</font>
My calculator said it, I believe it, that settles it
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