(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:2024/11/16 01:52:07
(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
x)HOTS6457IPxl=Ӟkx#Q7N u$a@;Og/xcV}`g Ov/y@A_A\VAEAAɎ%/|:mOvAA% A\p  (mD d죆)(q_\g h

(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