the sum of first n natural number is given by n (n+1) /2. Find the sum of first 12 natural number
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Answered by
1
Answer:
78
Step-by-step explanation:
Substitute 12 in n:
12(12+1)/2
144+12/2
156/2
78
Ans: 78
Answered by
2
Step-by-step explanation:
the sum of first n natural number is given by n(n+1) /2.
the sum of first 12 natural number
n=12
12(12+1)/2
=12/2(13)
=6(13)
=78
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