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suzi20

  • 3 years ago

urgent ! satellite73 help me to find i: 8.76 = [ 1- (1+i)^-11 ] / i

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  1. elecengineer
    • 3 years ago
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    if I is any variable

  2. suzi20
    • 3 years ago
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    i is just variable

  3. dipankarstudy
    • 3 years ago
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    plot the two graph y=8.76i-1 and y=-(1+i)^-11 find intersection point

  4. elecengineer
    • 3 years ago
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    then 8.76 i = 1 - (1+i)^(-11)

  5. dipankarstudy
    • 3 years ago
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    use online graphing

  6. elecengineer
    • 3 years ago
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    ^ yeh, the best you can do its graphical it wont have an exact solution all you can do is approximate

  7. satellite73
    • 3 years ago
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    is that all over i? latex not workring?

  8. suzi20
    • 3 years ago
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    [ 1- (1+i)^-11 ] over i

  9. elecengineer
    • 3 years ago
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    yeh , it doesnt have exact solution

  10. suzi20
    • 3 years ago
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    this is anuity formula a subscript 11

  11. elecengineer
    • 3 years ago
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    now do you get a negative power then

  12. elecengineer
    • 3 years ago
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    if its a financial maths question then the power must be positive

  13. suzi20
    • 3 years ago
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    thats the formula for interest

  14. satellite73
    • 3 years ago
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    there is no algebra way to solve this. i think estimation is best, and i get .04

  15. satellite73
    • 3 years ago
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    in fact it is .04 to 4 decimal places, .0400

  16. satellite73
    • 3 years ago
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    and no the powers do not need to be positive. for example a payment formula has negative exponents.

  17. suzi20
    • 3 years ago
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    me too, i found 0.03993, by plug in to calculator, but i need a way to write in my paper

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