find the equation form sum of 1st N natural number
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sum =N+(N+1)+(N+2)+(N+3)+...........+n times
nila8:
thanks but I want step by step answer
nice answer
Answered by
2
Natural no. :-
1,2,3,4,.....n
sum of 1sr n natural no =,
Sn= n/2{2a+ (n-1)d} or n/2(a+l)
=n/2(2*1+(n-1)*1} here a =1 & d=1& l is not given
=n/2(2+n-1)
=n/2(1+n)
..
hope it helped you.
1,2,3,4,.....n
sum of 1sr n natural no =,
Sn= n/2{2a+ (n-1)d} or n/2(a+l)
=n/2(2*1+(n-1)*1} here a =1 & d=1& l is not given
=n/2(2+n-1)
=n/2(1+n)
..
hope it helped you.
thanks
its my pleasure to help u :))
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