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The sum of the first natural number and 0 is 1, the sum of the first two natural numbers and 0 is 3, the sum of the first three natural numbers and 0 is 6, and the sum of the first four natural numbers and 0 is 10. Which explicit formula generates the sum of the first n natural numbers and 0?

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3 votes

Answer:

A

Explanation:

User Peddy
by
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2 votes
the sum of the first n natural numbers and 0=
n*(n+1)/2
User Mesha
by
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