(ah/a+h)²=1/4ah 怎样化简(a-h)²=0(ah/a+h)²=1/4ah 怎样化简(a-h)2=0
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 21:53:58
![(ah/a+h)²=1/4ah 怎样化简(a-h)²=0(ah/a+h)²=1/4ah 怎样化简(a-h)2=0](/uploads/image/z/13705482-66-2.jpg?t=%28ah%2Fa%2Bh%29%26%23178%3B%3D1%2F4ah+%E6%80%8E%E6%A0%B7%E5%8C%96%E7%AE%80%EF%BC%88a-h%EF%BC%89%26%23178%3B%3D0%28ah%2Fa%2Bh%29%26%23178%3B%3D1%2F4ah+%E6%80%8E%E6%A0%B7%E5%8C%96%E7%AE%80%EF%BC%88a-h%EF%BC%892%3D0)
(ah/a+h)²=1/4ah 怎样化简(a-h)²=0(ah/a+h)²=1/4ah 怎样化简(a-h)2=0
(ah/a+h)²=1/4ah 怎样化简(a-h)²=0
(ah/a+h)²=1/4ah 怎样化简(a-h)2=0
(ah/a+h)²=1/4ah 怎样化简(a-h)²=0(ah/a+h)²=1/4ah 怎样化简(a-h)2=0
因为(ah/a+h)²=1/4ah
所以
(ah)² / (a+h)² = 1/4 ah
两边同时乘以 (a+h)² 除以 ah
得(a+h)²=4ah
a²+h²+2ah=4ah
a²+h²-2ah=0
所以(a—h)²=0