Question

(3+ root 3) (3- root 3)​

Answer 1

$(3 + \sqrt{3} )(3 - \sqrt{3} )$

$= ( {3)}^{2} - {( \sqrt{3} )}^{2}$

$= 9 - 3$

$= \bold {6}$

Formula required :-

$★ \: \underbrace{ \color{blue}\bold{(x + y)(x - y) = {x}^{2} - {y}^{2} }}$

Answer 2

Answer:

(3+√3)(3-√3)

Step-by-step explanation:

By the formula

(a+b)(a-b)=a²-b²

(3+√3)(3-√3)

(3)²-(√3)²

9-3

6