Question

simplify the following expression
$(3 + \sqrt{3} )(3 - \sqrt{3} )$
​

Answer 1

Answer:

Given :

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

Solution :

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

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

$9 - 3$

$6$

Ans. 6

Step-by-step explanation:

Here one formula is used. The formula is :

${a}^{2} - {b}^{2} = (a + b)(a - b)$

Using this formula the problem is solved.

Hope it helps.