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Dido525

  • 2 years ago

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  1. math>philosophy
    • 2 years ago
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    plzzzz just type the question when you post

  2. Dido525
    • 2 years ago
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    |dw:1353736632757:dw|

  3. Dido525
    • 2 years ago
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    Well it's better when I draw it out.

  4. Dido525
    • 2 years ago
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    The answer is 8 but I have no idea why. @math>philosophy @satellite73

  5. satellite73
    • 2 years ago
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    the answer is 8? i don't think that is right

  6. math>philosophy
    • 2 years ago
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    It shouldn't be 8. Are you still doing Riemann sums?

  7. Dido525
    • 2 years ago
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    Well according to maple it's 8.

  8. math>philosophy
    • 2 years ago
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    Then there must be a syntax error

  9. Dido525
    • 2 years ago
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    I checked on wolfram too.

  10. satellite73
    • 2 years ago
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    oh i am a dope

  11. Dido525
    • 2 years ago
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    Let me double check.

  12. satellite73
    • 2 years ago
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    the index is \(i\) but the expression is \(\frac{8}{n}\)

  13. Dido525
    • 2 years ago
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    Yeah.

  14. math>philosophy
    • 2 years ago
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    oh

  15. satellite73
    • 2 years ago
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    so it is a constant

  16. Dido525
    • 2 years ago
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    Well I know that but then we have: |dw:1353736967140:dw|

  17. satellite73
    • 2 years ago
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    \[\sum_{i=1}^n\frac{8}{n}=\frac{8}{n}+\frac{8}{n}+...+\frac{8}{n}\] where there are \(n\) terms and that gives you 8 for all \(n\)

  18. Dido525
    • 2 years ago
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    How? If I said n =1 and then n=2 they aren't the same.

  19. perl
    • 2 years ago
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    sigma of 1 is n , so

  20. Dido525
    • 2 years ago
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    Ohh right!!!! I feel like an idiot....

  21. satellite73
    • 2 years ago
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    are you summing over \(i\) or over \(n\) ?

  22. Dido525
    • 2 years ago
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    Got it! Thanks everyone :) .

  23. satellite73
    • 2 years ago
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    ok

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