2√3
-2 - √3
-2 + √3
2 - √3
Correct answer is D
4−12−√3=4(2−√3)−12−√3
= 8−4√3−12−√3
= 7−4√32−√3
Rationalizing,
(7−4√32−√3)(2+√32+√3)
= 14+7√3−8√3−124+2√3−2√3−3
= 2−√31=2−√3
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