簡化(-c²)既3次方

2008-05-12 5:20 pm

要列埋計算過程

仲有要快

+油

更新1:

咁如果(-c^2)^4 咁又點計

回答 (4)

2008-05-12 6:49 pm

✔ 最佳答案

(-c^2)^3
=-c^(2*3)
=-c^6
(-c^2)^4
= (c^2)^4
= c^(2*4)
= c^8

2008-05-12 10:50:40 補充：
上面個位錯左...
因為雙數指數會變番正數...

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2008-05-12 6:14 pm

(-C^2)^3
= -(C^2)^3
= -(C)^2x3
= -C^6

(-c^2)^4
=-(c)^2x4
=-(c)^8

2008-05-12 10:15:58 補充：
(-x^a)^n=-(x)^an

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2008-05-12 5:31 pm

(-C^2)^3
= -(C^2)^3
= -(C)^2x3
= -C^6

2008-05-12 09:32:20 補充：
(-C)^2 同 (-C^2) 係唔同嫁wor

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2008-05-12 5:31 pm

Where is the question?????

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