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2010 STPM Maths 1答案 (完)
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本帖最后由 whyyie 于 10-12-2010 02:42 PM 编辑
本人的,谨供参考做法.....不一定对.一些步骤省略了.
有错请讲>.<
Q1- Q7 : 1-8楼
Q8: 19, 20楼
Q9: 21,22楼
Q10: 36, 37楼
Q11: 124, 125, 126楼
Q12: 127, 128楼
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楼主 |
发表于 9-12-2010 12:17 PM
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楼主 |
发表于 9-12-2010 12:19 PM
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楼主 |
发表于 9-12-2010 12:21 PM
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本帖最后由 whyyie 于 9-12-2010 02:09 PM 编辑
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=2e ln 2
答案还可以再simplify...
2e(ln 2e-1)=2e(ln 2+ln e-1)
=2e(ln 2)
Allmaths 发表于 9-12-2010 01:28 PM |
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发表于 9-12-2010 12:22 PM
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本帖最后由 whyyie 于 9-12-2010 03:38 PM 编辑
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when u use set notation, u cannot use 'and' and 'or' terms.
if u want to use the 2 terms then u should not put set notation
數學神童 发表于 9-12-2010 03:11 PM |
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发表于 9-12-2010 12:25 PM
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发表于 9-12-2010 12:42 PM
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发表于 9-12-2010 12:43 PM
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本帖最后由 whyyie 于 9-12-2010 03:37 PM 编辑
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u have to show that x^2-4x+5 is always positive for all real values of x
instead of saying that it has complex roots.
數學神童 发表于 9-12-2010 03:12 PM |
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发表于 9-12-2010 12:56 PM
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看来我的question 4 错了~~  |
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发表于 9-12-2010 01:14 PM
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没得剩!!! |
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发表于 9-12-2010 01:22 PM
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发表于 9-12-2010 01:28 PM
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whyyie 发表于 9-12-2010 12:21 PM 
答案还可以再simplify...
2e(ln 2e-1)=2e(ln 2+ln e-1)
=2e(ln 2) |
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发表于 9-12-2010 01:30 PM
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发表于 9-12-2010 01:43 PM
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发表于 9-12-2010 01:46 PM
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发表于 9-12-2010 02:02 PM
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LZ让我想当年........
现在全部还给老师了.... |
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发表于 9-12-2010 02:06 PM
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回复 12# Allmaths
够力...酱就一分去了... |
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发表于 9-12-2010 02:17 PM
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没了 5分吧...proving 那题是真的不会 |
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发表于 9-12-2010 02:32 PM
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发表于 9-12-2010 02:34 PM
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