The sum of the first n ______ numbers is given by 1+2+3+…+n=n(n+1)2
Question 10 Select one:
Rational
Integer
Complex
Natural
1 answer
The sum of the first n natural numbers is given by the formula 1+2+3+…+n=n(n+1)/2. Therefore, the correct option for question 10 is "Natural".