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Sum of n natural numbers from one
=n(n+1)/2=100*101/2=5050
OR
Sn=n(a+l)/2
S100=100(1+100)/2=5050
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S n = [a +l]
a = 1
l= 100
S n = 1+100=> 101
Dheeraj12311:
ha you are of ssc board
ssc?
don't even know that
Ya
Not in Maharashtra state board. I'm From CBSE
telanga state board
Mm.. not from that
OK
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