SOLUTION: How do you write the sum of numbers in a set for example if set a={2,3,1} the sum is 6 but how do you write this?

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Question 1111645: How do you write the sum of numbers in a set
for example if set a={2,3,1}
the sum is 6 but how do you write this?
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Let be the index number of the element of the set. In general, a set can be specified

The sum of these elements can be denoted

For your example:

John

My calculator said it, I believe it, that settles it