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April 29th, 2008, 12:48 PM
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| |  Logarithms help
If $2000 is invested at a rate of 12 percent per year, what is the principle after 5 years if the interest is compound quarterly? What is the principle afetr 5 years if the interest is compound quarterly?
Thanks to anyone who can solve. |
April 29th, 2008, 12:57 PM
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Is it  ? (There are  "compounds" with  .)
I'm not sure as there are no logarithms in it... |
April 29th, 2008, 02:40 PM
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Doesnt the compund interest formula contain logarithms? |
April 29th, 2008, 02:43 PM
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Quote:
Originally Posted by av8or91  Doesnt the compund interest formula contain logarithms? | The formula is  where r is the annual rate, t is the number of periods per year, n is the number of years, and P is the principal. So there are no logarithms in the formula.
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April 30th, 2008, 01:27 PM
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Alright thanks for the reply.
I have one logarithm problem I cant figure out
Log2x^3= Log2(6-x) |
April 30th, 2008, 02:01 PM
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Quote:
Originally Posted by av8or91 Alright thanks for the reply.
I have one logarithm problem I cant figure out
Log2x^3= Log2(6-x) | New questions go in new threads.   
There are no "nice" solutions to this equation, so it isn't surprising that you haven't been able to solve it. Numerically I get x = 1.634365293.
-Dan
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