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Question-124517




Question Number 124517 by help last updated on 03/Dec/20
Commented by help last updated on 03/Dec/20
find the value of r that satisfy the  equation
$${find}\:{the}\:{value}\:{of}\:{r}\:{that}\:{satisfy}\:{the} \\ $$$${equation} \\ $$
Commented by help last updated on 03/Dec/20
87=8/(1+r)^5 +8/(1+r)^6 ....108/(1+r)^(10)
$$\mathrm{87}=\mathrm{8}/\left(\mathrm{1}+{r}\right)^{\mathrm{5}} +\mathrm{8}/\left(\mathrm{1}+{r}\right)^{\mathrm{6}} ….\mathrm{108}/\left(\mathrm{1}+{r}\right)^{\mathrm{10}} \\ $$
Commented by mr W last updated on 04/Dec/20
108 makes no sense.  question is wrong!
$$\mathrm{108}\:{makes}\:{no}\:{sense}. \\ $$$${question}\:{is}\:{wrong}! \\ $$

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