(x-1/2y)²=(x+1/2y)²+?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/19 09:47:37
![(x-1/2y)²=(x+1/2y)²+?](/uploads/image/z/6939275-59-5.jpg?t=%28x-1%2F2y%29%26%23178%3B%3D%28x%2B1%2F2y%29%26%23178%3B%2B%3F)
(x-1/2y)²=(x+1/2y)²+?
(x-1/2y)²=(x+1/2y)²+?
(x-1/2y)²=(x+1/2y)²+?
(x-1/2y)² - (x+1/2y)² = -2x/y
所以?= -2x/y
(x-1/2y)²=(x+1/2y)²+(-2xy)
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来源:学生作业帮助网 编辑:作业帮 时间:2024/06/19 09:47:37
(x-1/2y)²=(x+1/2y)²+?
(x-1/2y)²=(x+1/2y)²+?
(x-1/2y)²=(x+1/2y)²+?
(x-1/2y)² - (x+1/2y)² = -2x/y
所以?= -2x/y
(x-1/2y)²=(x+1/2y)²+(-2xy)