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Math Forum » Discussions » sci.math.* » sci.stat.math.independent

Topic: Algebra question
Replies: 4   Last Post: Nov 23, 2012 6:46 PM

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Nick

Posts: 18
Registered: 4/12/08
Re: Algebra question
Posted: Nov 23, 2012 4:26 AM
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On 23/11/2012 05:19, R wrote:
> Hi,
>
> I read in a stats textbook that this equation:
>
> [y*theta^(y-1)]-(n-y)*(theta^y)(1-theta)^(n-y-1)
>
> can be simplified to:
>
> [y*theta^(y-1)]*[(1-theta)^(n-y-1)]*(y-n*theta)
>
> Could someone please show me the steps necessary to go from the first equation to the second equation?
>
> Any tips would be much appreciated.
>
> R
>

Doesn't appear to be true. For instance if theta = 1 and y <> 0 the
second equation is 0 where as the first isn't.


Date Subject Author
11/23/12
Read Algebra question
R
11/23/12
Read Re: Algebra question
Nick
11/23/12
Read Re: Algebra question
R
11/23/12
Read Re: Algebra question
Nick
11/23/12
Read Re: Algebra question
R

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