A^2-B^2/(A-B)^2=?

👨🏻‍🏫 學術台數學

[匿名]

2020-10-08 8:21 pm

回答 (1)

老怪物

2020-10-08 9:55 pm

A^2 - B^2/(A-B)^2 = [A - B/(A-B)] [A + B/(A-B)]
好像也沒有更簡化?

若是 (A^2-B^2)/(A-B)^2, 則
(A^2-B^2)/(A-B)^2 = (A-B)(A+B)/(A-B)^2
= (A+B)/(A-B)

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