用公式法解方程4χ눀-12χ=3得到

2025-06-26 06:37:34
推荐回答(1个)
回答1:

4χ²-12χ=3
4(x²-3x)=3;
4(x-3/2)²=12;
(x-3/2)²=3;
x-3/2=±√3;
x=3/2±√3;