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June 13th, 2012, 04:33 AM   #1
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please solve this simple equation, thx

The equation is

1000 = 272/ (1+i)^0.25 + 272/(1+i)^0.5 + 544/(1+ i)^1

find the value of i.

The result is i = 0,13185

why wondering how the result came. can you please let me know the each step taken for calcuation.

Thanks , kiran
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June 13th, 2012, 09:04 AM   #2
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Re: please solve this simple equation, thx

We are given:



Multiply through by and rearrange to obtain:



Let :



Use a numerical method to determine one of the real roots is:





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