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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -




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Topic review (newest first)

bob bundy
2013-04-11 18:01:18

hi Karimazer1

cancel x^(n-1)

Hope that helps.


ps.  Not very confident about expectation algebra.  Hopefully someone else is.  If you are still waiting for a reply to your other posts in 48 hours, post again and I'll try to help.  eek

2013-04-11 11:34:22

I may have done something wrong along the way SO i moved a step back

We have

x - ((1/(x^N-1))*((x^N)/N)

I beg for your time on this, it hopefully isn't too long.

So the two things on the right hand side are multiplied and subtracted from x.

Somehow this is rewritten to equal


please help

2013-04-11 11:28:55

So I have


x1 - x1/N

now somehow this EQUALS ((N-1)/N)*x1

can someone please explain how/why? thank you

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