I'm trying to figure out what the summation notation of

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stevenham
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I'm trying to figure out what the summation notation of

(1-x1)^θ * (1-x2)^θ * ...(1-xn)^θ would be for summation

I know I need to convert this to a summation notation in order to solve my problem, but I can't figure out how to convert it. Any help will be appreciated.
 

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I'm trying to figure out what the summation notation of

(1-x1)^θ * (1-x2)^θ * ...(1-xn)^θ would be for summation

I know I need to convert this to a summation notation in order to solve my problem, but I can't figure out how to convert it. Any help will be appreciated.

As you have written this, it's not a sum - it's a product. In a summation, the terms are added. In a product, the factors are multiplied.

For example, you can write 12*22*32*...*n2 as a product like this:
[tex]\prod_{k=1}^n n^2[/tex]
 

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