(x-1/2y)²=(x+1/2y)²+?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/28 21:15:40
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(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:2024/07/28 21:15:40
(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)