9
18
24
27
Correct answer is C
x = 3 - √3
x2 = (3 - √3)2
= 9 + 3 - 6√34
= 12 - 6√3
= 6(2 - √3)
∴ x2 + 36x2 = 6(2 - √3) + 366(2−√3)
6(2 - √3) + 62−√3 = 6(- √3) + 6(2+√3)(2−√3)(2+√3)
= 6(2 - √3) + 6(2+√3)4−3
6(2 - √3) + 6(2 + √3) = 12 + 12
= 24
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