Tip:A–D to answerE for explanationV for videoS to reveal answer
The sum of the first n natural numbers given by:
- A.
n(n−1)/2
- B.
n2
- C.
(n−1)/2
- D.
(n+1)n/2
(Correct Answer)
Explanation
Pehle n natural numbers (1,2,3,…,n) ka sum (Sn) nikalne ka formula:
Iska simplified result niche diye gaye equation se aata hai:
Explanation
Pehle n natural numbers (1,2,3,…,n) ka sum (Sn) nikalne ka formula:
Iska simplified result niche diye gaye equation se aata hai:
