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LAGIRL69

  • 3 years ago

Whats does Pie Equal?

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  1. sauravshakya
    • 3 years ago
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    pie = circumference of a circle / diameter of the same circle

  2. LAGIRL69
    • 3 years ago
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    Thanks ^_^

  3. sauravshakya
    • 3 years ago
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    approximate value of pie is 3.14

  4. sauravshakya
    • 3 years ago
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    welcome

  5. LAGIRL69
    • 3 years ago
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    ^_^

  6. luvvikrant93
    • 3 years ago
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    =22/7 or 3.14

  7. ghazi
    • 3 years ago
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    its pi, not pie, if you're talking about pie that is composed of cake, cream and whip cream and chocolate and a lot more , but pi = 3.14159 ..... @LAGIRL69

  8. UnkleRhaukus
    • 3 years ago
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    \[\pi=4-\frac43+\frac45-\frac47+\frac49-\frac4{11}+\dots\]

  9. UnkleRhaukus
    • 3 years ago
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    \[\pi=\sqrt{8+\frac89+\frac8{25}+\frac8{36}+\frac8{49}+\frac8{64}\dots}\]

  10. hba
    • 3 years ago
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    \[\pi = -ilog(-1)\]

  11. UnkleRhaukus
    • 3 years ago
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    \[\pi=\frac{8\sqrt 2}{3}-\frac{24\sqrt2}{35}+\frac{40\sqrt2}{99}-\frac{56\sqrt2}{195}+\frac{72\sqrt2}{323}-\frac{88\sqrt2}{483}+\dots\]

  12. hba
    • 3 years ago
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    \[\frac{ 223 }{ 71 } < \pi < \frac{ 22 }{ 7 }\]

  13. hartnn
    • 3 years ago
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    now this has gone wayyyyy too much beyond expectations......

  14. sauravshakya
    • 3 years ago
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    I would like to know how|dw:1356869570315:dw|

  15. hartnn
    • 3 years ago
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    u know that relation \(\huge e^{i\pi}=..... ?\)

  16. sauravshakya
    • 3 years ago
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    yes

  17. hartnn
    • 3 years ago
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    take natural log (ln) on both sides, and u get that.

  18. sauravshakya
    • 3 years ago
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    oh...

  19. sauravshakya
    • 3 years ago
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    |dw:1356869768485:dw|

  20. hba
    • 3 years ago
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    \[e^{i \pi} =-1,(EULER \ IDENTITY)\]

  21. hartnn
    • 3 years ago
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    1/i =-i

  22. hartnn
    • 3 years ago
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    because i^2=-1

  23. sauravshakya
    • 3 years ago
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    But log has base 10 right?

  24. hartnn
    • 3 years ago
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    log has base 10 but ln has base =e

  25. sauravshakya
    • 3 years ago
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    so it is ln

  26. hartnn
    • 3 years ago
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    absolutely... in calculus, by default, log means natural log ln

  27. sauravshakya
    • 3 years ago
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    got it now... thanx

  28. hba
    • 3 years ago
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    Buffon Needle --> http://mste.illinois.edu/reese/buffon/buffon.html \[\pi \approx \frac{ 2nl }{ xt} \]

  29. hba
    • 3 years ago
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    So, \[\pi = 355/113 \ is \ the \ best \ approximation \]

  30. patdistheman
    • 3 years ago
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    355/113 is most accurate.

  31. zaynahf
    • 3 years ago
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    http://www.tomdukich.com/math%20pi%20decimal%20matrix.jpg

  32. hba
    • 3 years ago
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    ^ How many digits did you go till ?

  33. zaynahf
    • 3 years ago
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    No idea lol

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