Open Question: Will someone help with this problem please?
14:16 Publicado por Nadim
The conjugate of 4 + 6*sqrt(2) is 4 - 6*sqrt(2).
(4 + 6*sqrt(2))*(4 - 6*sqrt(2)) = 16 - 24*sqrt(2) + 24*sqrt(2) - 72 = -56
I believe this is how it's done.
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