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| bio | website | |
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| location | ||
| age | ||
| visits | member for | 2 years, 1 month |
| seen | Jan 6 '12 at 1:07 | |
| stats | profile views | 12 |
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Oct 13 |
comment |
Comparing Powers of Different Bases Thanks once again for the explanation @ArturoMagidin |
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Oct 13 |
accepted | Comparing Powers of Different Bases |
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Oct 12 |
comment |
Comparing Powers of Different Bases @ArturoMagidin I know :-) But which one is bigger: $2^{2000}$ or $10^{800}$? I'd like to know about cases like this one. Edit: You should post this edit in your comment as answer. |
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Oct 12 |
asked | Comparing Powers of Different Bases |
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Oct 12 |
accepted | Homework with logarithms |
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May 12 |
comment |
Homework with logarithms Very clever! Well, following the idea $\log_{c}2 = 1$ (if I'm not mistaken), but unfortunately I've just checked the workbook answers (answers are provided, resolutions not) and it should be 4, not 11. Hmm, probably there is something wrong with the exercise. I'll search for my teacher tomorrow in school and ask him about this exercise. Thanks a lot you all, I'll post any news. cc @Isaac @GEdgar @Nana |
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May 12 |
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Homework with logarithms A lot easier… Thanks for pointing it out Nana. |
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May 12 |
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Homework with logarithms @Isaac, thanks. I was also thinking that could be no apparent solution, but know @GEdgar and @Skatche proposals are clarifying some aspects. The source book is really vague. I'll check the answer — I guess there is an error with this exercise. |
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May 11 |
asked | Homework with logarithms |
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May 4 |
comment |
Simplifying a Trigonometric Expression Thank you Joe. I ended up marking the other answer as correct, as it shows the complete solution. I hope you understand! But your explanation was certainly helpful, it was the kind of answer I was waiting. I'm sure I'd continue and find the solution after reading it. Thanks again! Best wishes |
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May 4 |
comment |
Simplifying a Trigonometric Expression Well, thank you a lot Nicolas! What else can I say? |
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May 4 |
accepted | Simplifying a Trigonometric Expression |
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May 4 |
asked | Simplifying a Trigonometric Expression |
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Mar 30 |
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Is this a kind of Permutation? +1, thanks for your answer sir, and for providing the useful links. |
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Mar 30 |
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Is this a kind of Permutation? Thanks a lot for your comprehensive answer. Math is such a beautiful thing! Tuples is a new term for me. Most of the others I started to remember from school, but it was really useful to read this here as my primary education was not in english, and I'm now having to relearn many terms. If I may answer the questions, the first for the $k$-permutation would be $\frac{n!}{(n-k)!}$, or something like that, right? The $n$-permutation is easy: $n!$. Now, I'm not quite sure if I can convince myself why there are no $n+1$-permutations. Does $n+1$ relates to the set, without sufficient elements? |
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Mar 30 |
awarded | Scholar |
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Mar 30 |
awarded | Supporter |
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Mar 30 |
accepted | Is this a kind of Permutation? |
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Mar 30 |
awarded | Student |
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Mar 30 |
asked | Is this a kind of Permutation? |
