Question

(3-root3)^2 Is that a rational number?

Answer 1

No It is Irrational Number

solving it we will get

6-6√3

Answer 2

(3-√3)²

BY USING,

(a-b)²=a²+b²-2ab

→(3-√3)²=(3)²+(√3)²-2×3×√3

→(3-√3)²=9+3-6√3

→(3-√3)²=12-6√3

→(3-√3)²=6(2-√3)

THIS IS NOT A RATIONAL NUMBER.