Question

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

Answer 1

if I is any variable

Answer 2

i is just variable

Answer 3

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

Answer 4

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

Answer 5

use online graphing

Answer 6

^ yeh, the best you can do its graphical

it wont have an exact solution all you can do is approximate

Answer 7

is that all over i? latex not workring?

Answer 8

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

Answer 9

yeh , it doesnt have exact solution

Answer 10

this is anuity formula a subscript 11

Answer 11

now do you get a negative power then

Answer 12

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

Answer 13

thats the formula for interest

Answer 14

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

Answer 15

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

Answer 16

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

Answer 17

me too, i found 0.03993, by plug in to calculator, but i need a way to write in my paper