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Given a set of N different elements. Let's say, elements of this set are numbers from 1 to N. How many subset does this set have?
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Given two sets. Set A contains elements: book, pen, football, building, planet. Set B contains elements: football, golf ball, tennis ball. What set is a result of an operation of intersection between sets A and B?
Given a set: book, pen, football, building, planet. How many elements does this set have? What are they? What subsets, including trivial, does this set have? What elements belong to a subset of "man- made things"?
Prove using the method of mathematical induction that N straight lines on a plain cross in N*(N- 1)/2 points provided there are no parrallel lines among them and no points where more than 2 lines cross each other.
Prove using the method of mathematical induction that the sum of internal angles of convex polygon with N sides is equal to 180*(N- 2) degrees.
The Infinity Razor is the one razor that is guaranteed to never lose its edge. Money- back guarantee and lifetime replacement! Go to http://www.getinfinityrazor.com to learn more!
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Joel Rettew explains the real value of gold versus paper money and gives you very good examples. Also, learn how the value of Silver American Eagles is rising. Go to FastCoin.Com and see for the great gold and silver eagles deals.
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The 1964 US Proof Set is a "One Year Type Proof Set" that is almost 40 years old. 1964 was the only Year that the Proof Kennedy Half Dollar was made in 90% Silver. In the light of these facts, "THEY ARE A GREAT VALUE!" Sure to increase in the future.
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Learn the Joys and Benefits of Collecting Coins for Fun and Profit. FastCoin.Com specializes in all aspects of coins and currency for the collector including Morgan Silver Dollars to 1909- S VDB Lincoln Cents.
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