the sum of first n natural number is
a. 0.5(n+1)
b.n²/2
c.(n+2)
d.0.5+(n+1)
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Answered by
1
Answer:
The sum of the first n naturalnumber is 0.5+(n+1)
Answered by
1
Answer:
The ans is a)
Step-by-step explanation:
Sum of the First n Natural Numbers
We prove the formula 1+ 2+ ... + n = n(n+1) / 2, for n a natural number.
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