因式分解X^2-Y^2+Y-1/4

来源:学生作业帮助网 编辑:六六作业网 时间:2024/05/26 14:30:48
因式分解X^2-Y^2+Y-1/4因式分解X^2-Y^2+Y-1/4因式分解X^2-Y^2+Y-1/4X^2-Y^2+Y-1/4=X^2-(Y^2-Y+(1/2)^2=X^2-(Y-1/2)^2=(x

因式分解X^2-Y^2+Y-1/4
因式分解X^2-Y^2+Y-1/4

因式分解X^2-Y^2+Y-1/4
X^2-Y^2+Y-1/4 =X^2-(Y^2-Y+(1/2)^2 =X^2-(Y-1/2)^2 =(x+y-1/2)(x-y+1/2)