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\sqrt{(√(5-3))^(2)+(1+√(5))^(2)

User Spokeadoke
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=\sqrt{(√(2) )^(2)+(1+√(5) )(1+√(5) )} \\=\sqrt{2+1(1+√(5))+√(5)(1+√(5)) } \\=\sqrt{2+1+√(5) +√(5) +√(5) *√(5) } \\=\sqrt{2+1+2√(5) +5} \\=\sqrt{2+1+5+2√(5) } \\=\sqrt{8+2√(5) }

GOODLUCK!!

User Andriy Kondzolko
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