Question

is 2 + root 3 into 2 minus root 3 rational or irrational number​

Answer 1

(2+√3)(2-√3)

= 4-3= 1, which is rational

Answer 2

Answer:

1

Step-by-step explanation:

(2+√3)(2-√3)

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

2*2-√3*√3=4-3=1

Hence it is a rational number.