Question

the value of (3+√3)(3-√3)

Answer 1

according to formula (a)^2 - (b)^2
(3)^2 - ( √3 )^2
9 - 3 = 6

Answer 2

hey friend here is your answer
$(3 + \sqrt{3} )(3 - \sqrt{3} ) \\ (3) {}^{2} - ( \sqrt{3} ) {}^{2} \\ 9 - 3 \\ = 6$
by (a+b)( a-b) = a^2 - b^2