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Simplify under root (12+6 root 3) + under root (12- 6 root 3)

2 answers

√(12+6√3) + √(12-6√3)

12+6√3 = 9 + 6√3 + 3 = (3+√3)^2

so, you have just

3+√3 + 3-√3 = 6
Not good
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