Question

Simplify each of the following:
(1) (2-√3)²​

Answer 1

$4 + 3 - 4 \sqrt{3} \\ 7 - 4 \sqrt{3}$

Answer 2

Answer:

(2-√3)²

using identity (a-b)²= a²-2ab+b²

2²-2×2×√3+√3²

4-4√3+3

4+3-4√3

7-4√3

I hope it will help you.