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  4. yet another math problem - a simple one

yet another math problem - a simple one

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  • L Lost User

    x - y + 1 - x + y - 1 + x - y + 1 - x + y - 1 +.....oO = ? ( oO = infinity, x > 0, y > 0, 1 > 0) no paper or pencil please time assigned : 0 seconds (that's more time than it takes to transfer a huge file over the web)

    J Offline
    J Offline
    Jamie Hale
    wrote on last edited by
    #3

    Ooooo tricky. J I am Jack's complete lack of surprise.

    L 1 Reply Last reply
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    • L Lost User

      x - y + 1 - x + y - 1 + x - y + 1 - x + y - 1 +.....oO = ? ( oO = infinity, x > 0, y > 0, 1 > 0) no paper or pencil please time assigned : 0 seconds (that's more time than it takes to transfer a huge file over the web)

      R Offline
      R Offline
      Rohit Sinha
      wrote on last edited by
      #4

      x - y + 1 - x + y - 1 + x - y + 1 - x + y - 1 +.....oO = 0    Peace and hallelujah,           impuzible

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      • L Lost User

        x - y + 1 - x + y - 1 + x - y + 1 - x + y - 1 +.....oO = ? ( oO = infinity, x > 0, y > 0, 1 > 0) no paper or pencil please time assigned : 0 seconds (that's more time than it takes to transfer a huge file over the web)

        S Offline
        S Offline
        Simon Walton
        wrote on last edited by
        #5

        Is the answer "error"? Simon I need your clothes, your boots, and your copy of VS.NET. Sonork ID 100.10024

        L 1 Reply Last reply
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        • R Rohit Sinha

          x - y + 1 - x + y - 1 + x - y + 1 - x + y - 1 +.....oO = 0    Peace and hallelujah,           impuzible

          C Offline
          C Offline
          ColinDavies
          wrote on last edited by
          #6

          I agree, although I can't solve or explain it. :-( Regardz Colin J Davies

          Sonork ID 100.9197:Colin

          More about me :-)

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          • D David Wulff

            x = 4 y = .5 Don't ask me how I calculated them 'cause I didn't - I guessed. I need to feel intellectual every now an again. :-D ____________________ David Wulff hu·mour Pronunciation Key (hymr) n. & v. Chiefly British Dave's Code Project Screensaver and Wallpaper page.

            L Offline
            L Offline
            Lost User
            wrote on last edited by
            #7

            4 and .5 hold good as values of x and y as any other values but the badly :-O put question is what is the sum of the series? :)

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            • R Rohit Sinha

              x - y + 1 - x + y - 1 + x - y + 1 - x + y - 1 +.....oO = 0    Peace and hallelujah,           impuzible

              L Offline
              L Offline
              Lost User
              wrote on last edited by
              #8

              That's one correct answer. Good. There are more of 'em.:)

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              • C ColinDavies

                I agree, although I can't solve or explain it. :-( Regardz Colin J Davies

                Sonork ID 100.9197:Colin

                More about me :-)

                R Offline
                R Offline
                Rohit Sinha
                wrote on last edited by
                #9

                x - y + 1 - x + y - 1 + x - y + 1 - x + y - 1 +.....oO = (x - y + 1) - (x - y + 1) + (x - y + 1) - (x - y + 1) + ...oO = [(x - y + 1) - (x - y + 1)] + [(x - y + 1) - (x - y + 1)] + ...oO = 0 + 0 + ..oO == 0    Peace and hallelujah,           impuzible

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                • S Simon Walton

                  Is the answer "error"? Simon I need your clothes, your boots, and your copy of VS.NET. Sonork ID 100.10024

                  L Offline
                  L Offline
                  Lost User
                  wrote on last edited by
                  #10

                  Simon Walton wrote: Is the answer "error"? nope:)

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                  • J Jamie Hale

                    Ooooo tricky. J I am Jack's complete lack of surprise.

                    L Offline
                    L Offline
                    Lost User
                    wrote on last edited by
                    #11

                    True, a simple problem made tricky.

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                    • L Lost User

                      Simon Walton wrote: Is the answer "error"? nope:)

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                      S Offline
                      Simon Walton
                      wrote on last edited by
                      #12

                      Listen, my calculator cannot be wrong. Simon I need your clothes, your boots, and your copy of VS.NET. Sonork ID 100.10024

                      L 1 Reply Last reply
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                      • S Simon Walton

                        Listen, my calculator cannot be wrong. Simon I need your clothes, your boots, and your copy of VS.NET. Sonork ID 100.10024

                        L Offline
                        L Offline
                        Lost User
                        wrote on last edited by
                        #13

                        Simon Walton wrote: Listen, my calculator cannot be wrong. True it can't be wrong but at times, it approximates solutions to 'Error':)

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                        • L Lost User

                          x - y + 1 - x + y - 1 + x - y + 1 - x + y - 1 +.....oO = ? ( oO = infinity, x > 0, y > 0, 1 > 0) no paper or pencil please time assigned : 0 seconds (that's more time than it takes to transfer a huge file over the web)

                          L Offline
                          L Offline
                          Lost User
                          wrote on last edited by
                          #14

                          0 x x-y x-y + 1 -y + 1 1 It's like the series 1-1+1-1+... that sums to 1 or 0.

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