Question

simplify ( 2+ underroot 3 ) ( 2- underroot 3 )​

Answer 1

Answer:

1

Step-by-step explanation:

use identify (a-b)×(a+b)=a^2-b^2

4-3=1

Answer 2

Answer:

answer is one

Step-by-step explanation:

given: (2+√3) (2-√3)

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

so, (2+√3)(2-√3)= (2×2) - (√3×√3)

4-3=1