(3+3)(3−3)=(3+\sqrt3)(3-\sqrt3)=(3+3)(3−3)= A6B9C0D3Answer: A. 6 Read Explanation: ∵(a+b)(a−b)=a2−b2\because(a+b)(a-b)=a^2-b^2∵(a+b)(a−b)=a2−b2(3+3)(3−3)(3+\sqrt3)(3-\sqrt3)(3+3)(3−3)=32−(3)2=3^2-(\sqrt3)^2=32−(3)2=9−3=9-3=9−3=6=6=6 Read more in App