Please Expand:
1. 2(power 2)
(a+b)
2. a to the power 2 + b to the power 2
F.2 Maths
2006-12-07 5:13 am
回答 (3)
2006-12-07 5:21 am
✔ 最佳答案
1)(a+b)(a-b)
2)
2 2
a + b
2
=(a+b)
2006-12-07 5:20 am
第一條唔明寫咩, 唔該寫清楚d~
第二條:
a^2+b^2
=a^2+2ab+b^2-2ab
=(a+b)^2-2ab
註: ^ = 次方
第二條:
a^2+b^2
=a^2+2ab+b^2-2ab
=(a+b)^2-2ab
註: ^ = 次方
2006-12-07 5:19 am
1. 2^2a+2^2b
=4a+4b
2.唔識=[]="第二題如果係minus就易
2006-12-06 21:23:23 補充：
2. I asked someone and she said it's "C to the power two (C^2)". She said this is a formula,,a^2 + b^2 =c^2
=4a+4b
2.唔識=[]="第二題如果係minus就易
2006-12-06 21:23:23 補充：
2. I asked someone and she said it's "C to the power two (C^2)". She said this is a formula,,a^2 + b^2 =c^2
收錄日期: 2021-04-13 00:56:13
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https://hk.answers.yahoo.com/question/index?qid=20061206000051KK04242