Question

the value of (2 +√3)(2-√3)​

Answer 1

Answer:

0

Step-by-step explanation:

$(2 + y3) = (2 - y3) \\ = 0$

Answer 2

$(2 + \sqrt{3} )(2 - \sqrt{3} ) \\ = ( {2 }^{2} - { \sqrt{3} }^{2} ) \\ = 4 - 3 \\ = 1$

(a+b)(a-b)=a²-b²