The sum of first n natural numbers is: (a) n(n+1)/2 (b) n(n2+1)/2 (c) n+1 (d) n?
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Answered by
0
Answer:
b) n(n2+1)/2
Step-by-step explanation:
hope it will help you
Answered by
3
Answer:
S=n(n+1)2
Step-by-step explanation:
hiya!!
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