suzi20
urgent !
satellite73 help me to find i:
8.76 = [ 1 (1+i)^11 ] / i



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elecengineer
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if I is any variable

suzi20
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i is just variable

dipankarstudy
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plot the two graph y=8.76i1 and y=(1+i)^11
find intersection point

elecengineer
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then 8.76 i = 1  (1+i)^(11)

dipankarstudy
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use online graphing

elecengineer
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^ yeh, the best you can do its graphical
it wont have an exact solution all you can do is approximate

anonymous
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is that all over i? latex not workring?

suzi20
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[ 1 (1+i)^11 ] over i

elecengineer
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yeh , it doesnt have exact solution

suzi20
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this is anuity formula a subscript 11

elecengineer
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now do you get a negative power then

elecengineer
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if its a financial maths question then the power must be positive

suzi20
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thats the formula for interest

anonymous
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there is no algebra way to solve this. i think estimation is best, and i get .04

anonymous
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in fact it is .04 to 4 decimal places, .0400

anonymous
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and no the powers do not need to be positive. for example a payment formula has negative exponents.

suzi20
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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