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Can i evaluate this if both upper and lower boundaries turn out to be zero?!!

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does it have a value or should i just disard it during calculation

tinlyx
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F.Abdullah
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1 Answers1

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$$\sum_{i=0}^0 a_i = a_0$$ by definition, because by definition

$$\sum_{i=0}^na_i = \begin{cases}a_0 & n=0\\ a_n + \sum_{i=0}^{n-1}a_i & n\geq 1 \end{cases}$$

5xum
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