Question

6. Simplify: (2+√3)(2-√3)​

Answer 1

Answer:

1

Step-by-step explanation:

use formula

(a+b) (a-b) = a^2 - b^2

(2+√3)(2-√3)= 2^2 - (✓3)^2

= 4-3= 1 ans

Answer 2

Answer:

1

Step-by-step explanation:

by (a+b)(a-b)=a²-b² identity,

(2+√3)2-√3)= 2²-(√3)²

= 4-3

= 1