✨ Best Answer ✨
(a-b)²=a²-2ab+b² の公式を使います。
(2√3-1)²
=(2√3)²-2×2√3×1+1²
=12-4√3+1
=13-4√3
✨ Best Answer ✨
(a-b)²=a²-2ab+b² の公式を使います。
(2√3-1)²
=(2√3)²-2×2√3×1+1²
=12-4√3+1
=13-4√3
Users viewing this question
are also looking at these questions 😉