Tuesday, October 24, 2006

Math Trivia

What number when multiplied against itself will result in a number which includes the numbers (1 - 9) in forward order, and then descending in order from the 9? (i.e., to get the number: 12,345,678,987,654,321)

3 comments:

  1. The square root of 12345678987654321 = 111111111

    This is the end of a progression of 11 squared = 121
    111 squared = 12321
    and on up

    ReplyDelete
  2. You got it Mr Don.

    111,111,111 X 111,111,111 = 12,345,678,987,654,321

    ReplyDelete
  3. BUT WAT IS THE PROCEDURE TO FIND THIS?

    ReplyDelete

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