\(a,A=\left(\sqrt{3+\sqrt{5}}-\sqrt{3-\sqrt{5}}\right)^2\)
\(=6-2\sqrt{\left(3+\sqrt{5}\right)\left(3-\sqrt{5}\right)}\)
\(=2\)
\(b,B=\sqrt{227-30\sqrt{2}}+\sqrt{123+22\sqrt{2}}\)
\(=\sqrt{\left(15-\sqrt{2}\right)^2+\left(11+\sqrt{2}\right)^2}\)
\(=26\)
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