I am having problems with this equation that uses summation notation. What will it look like if n=4? The picture displays the equation and an example below when n=2.
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If n= 4, then there will be four terms in the sum, for i= 1, 2, 3, and 4. For i= 1 that term will be
The i= 2 term will be similar and so will the i= 3 and i= 4 terms.
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