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Other I need a book for math competitions

  1. Jul 1, 2016 #1
    Hi
    As the title suggests, I'm looking for a math book that has some competition-style problems in it, with explanations on how to solve them. I have found numerous of other competitions online but the explanations are very not understandable for me. I am NOT talking about international competitions, but regional. This is high school math.

    Here is an example:

    Find all prime numbers p and q and a natural number r such that they satisfy the equation.

    p2 + q2+pq = r2
     
  2. jcsd
  3. Jul 1, 2016 #2
    You might find recreational mathematics books with a focus on puzzles useful. My Best Mathematical and Logic Puzzles by Martin Gardner, for example.
     
  4. Jul 1, 2016 #3
    I checked the book and I think I should add another example for better understanding.

    Determine a maximum and a minimum of the function:

    f(x)=√(sin4(x)+4cos2(x)) - √(cos4(x) + 4sin2(x))
     
  5. Jul 1, 2016 #4
    If you want to learn background knowledge, challenging problems along with good explanations, I recommend any book written by Titu Andreescu.
     
  6. Jul 1, 2016 #5
    "104 Number Theory Problems: From the Training of the USA IMO Team," "Schaum's 3,000 Solved Problems in Calculus," and "Challenging Problems in Algebra" might help you, then.
     
  7. Jul 1, 2016 #6
    Thumbs up for "104 NT Problems"; I used it to learn basics of elementary NT before studying analytics aspect. I think that book can be used as a first introduction to ENT too. Any book by Andreescu is extremely well-written.
     
  8. Jul 1, 2016 #7
    I found the last book, and it is perfect, thank you
     
  9. Jul 2, 2016 #8
    I have found an interest in problem solving myself. I ordered, but have yet to receive and view the contents of, two books. One is the USSR Olympiad Math problems book published by Dover and a problems book published by the MAA.
     
  10. Jul 4, 2016 #9
    Thank you but I think it should be said. The problems I am solving are much easier than any olympiad problems.
     
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