hi guy's

i need some help on making a formula for this 1/3+1/5+1/7...............=2

i need to be able to fill in any number e.g 1/3+1/5+1/7...............=45

thanks

kingping

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- Jun 18th 2010, 03:18 AM #1

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- Jun 2010
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- Jun 18th 2010, 03:56 AM #2
There is no formula for the exact sum of the first n terms of this particular series (called a harmonic series). Your best bet is to write a simple program to sum the terms and to terminate after reaching the required sum. The output would be how many terms were summed.

- Jun 18th 2010, 04:25 AM #3

- Jun 18th 2010, 05:44 AM #4

- Jun 18th 2010, 05:46 AM #5