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Series simplification??

Can anyone see how this can be simplified? im a little baffled
PROBLEM 5.png38.1KB
Original post by bill100
Can anyone see how this can be simplified? im a little baffled


If you looking to sum the probabilities to work out C, notice that they form a geometric progression.

PS: Best to post maths questions in the maths subforum, rather than this umbrella forum.
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bill100
OP
the geometric series over a finite range is A{ 1-r^n / 1- r} ?
I think I got it if so.

sorry, im new here :smile:

Thanks
Original post by bill100
the geometric series over a finite range is A{ 1-r^n / 1- r} ?


Yep.


I think I got it if so.

sorry, im new here :smile:

Thanks


You're welcome, and welcome to TSR.

One other thing you will find useful is to quote the other person when replying - this shows up on their notification bar at the top of the screen, virtually immediately, so they can tell you've replied and go and look.

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