Simplify the following expression:
(3+3)(3−3)(3 + \sqrt{3}) (3 - \sqrt{3})(3+3)(3−3)
= (3)2 - (3\sqrt{3}3)2 [∵ (a + b)(a - b) = (a)2 - (b)2]
= 9 - 3
= 6
Hence, (3+3)(3−3)(3 + \sqrt{3}) (3 - \sqrt{3})(3+3)(3−3) = 6
