1
13√3
2√3−523
6√3 - 17
Correct answer is B
2√3 - 6√3+3√27
= 2√3−6√3+3√9×3
= 2√3−6√3×√3√3+33√3
= 2√3=6√33+1√3×√3√3
= 2√3−2√3+√33
= √33=13√3
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