I'm assuming this is the correct way to write; where the n goes on for infinity. So how can you prove;
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Hint: and use telescoping series.
Originally Posted by Krizalid Hint: and use telescoping series. Have I understood this correctly; If that is correct how did you get;
Now
Originally Posted by Plato Now awesome, cheers.
Originally Posted by Plato Now What do I google to get more explanation on this? What is this method called?
Originally Posted by RhysGM What do I google to get more explanation on this? What is this method called? sum infinite geometric series: sum infinite geometric series - Google Search=
I gave you this explanation in the original thread. As for Krizalid's answer merely note that . So, for a finite sum and we notice that the sum is the same as which simplifies to . Taking the limit finishes the argument.
Originally Posted by Drexel28 I gave you this explanation in the original thread. I know, I didn't understand it then, I needed to do more research before I could understand what you were telling me.
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