Summation Notation: What Does (Nσk=1) 1 Mean In Math?

(nΣk=1) 1 =

n

The expression (nΣk=1) 1 represents a sum of terms, where the variable k starts at 1 and ends at n, and each term is equal to 1. Therefore, this expression can be rewritten as:

1 + 1 + 1 + … + 1 (n times)

To find the sum of this series, we can simply add up all the terms. Since each term is equal to 1, the sum is just equal to the number of terms, which is n. So, the answer to (nΣk=1) 1 is simply n.

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