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Maths Puzzle
Sum of 1+2+3+.....................+n
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- 1+2+3+.....................+n = n*(n+1)/2
- 12 years agoHelpfull: Yes(8) No(1)
- 1+2+3+.............+n means
sum of the N natural numbers is n*(n+1)/2 - 12 years agoHelpfull: Yes(4) No(1)
- 1+2+3+.........+n=n(n+1)/2
- 12 years agoHelpfull: Yes(0) No(0)
- n/2(2+(n-1))
n/2(n+1) - 12 years agoHelpfull: Yes(0) No(0)
- n(n+1)/2
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- 12 years agoHelpfull: Yes(0) No(0)
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