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urgent help me
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1. 1/2log4 81-2
2. 2logc (x+1)-logc (x^2-1)
3. loga 128/loga 4
4. (loga 8)(log32 a)
5. given tat log2 3=a,log2 5=b,express each of the following in terms of a and b
i. log3 15 ii. log5 0.6
6. log0.5 x=1.6
7. logx 28=4
8. 3^2x-1=2^x+4
9. (5^x+1)(2^x+2)=(3^x+3)
10. log3 (2x^2-5)=2+log3 (x+1)
11. 3 log8 x+3 logx 8+8
12. 3^x+2<5^x-1
13. (1/2)^x<0.001
14. find the least intergral value of x such that (0.7)^x+3<0.01
15. find the values of x that satisfy the inequality 3^2x-10(3^X)+9<0 |
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发表于 30-5-2010 11:44 AM
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wah...........................
我最讨厌的东西出现了.................... |
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发表于 30-5-2010 11:55 AM
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好不容易毕业,我实在不想去碰它了。 |
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发表于 30-5-2010 12:55 PM
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
楼主 |
发表于 30-5-2010 02:37 PM
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simply
left 7,8,9,10,11,12,15...
help |
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