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OpenStudy (anonymous):
(√2 +1)^2
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OpenStudy (whpalmer4):
\[(√2 +1)^2 = (√2 +1) * (√2 +1) = √2*√2 + 1*√2 + 1*√2 + 1*1 \] \[= 2 + 2*√2 + 1 = 3 + 2√2\]
OpenStudy (anonymous):
\[(a+b)^2 = a^2 + b^2 + 2ab\]
OpenStudy (anonymous):
Thank you so much!!
OpenStudy (anonymous):
Welcome
OpenStudy (whpalmer4):
What, the guy who answers first and actually does the problem doesn't get a medal? Pfft.
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