find the sum of all odd natural numbers from 1 to 100
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Answered by
1
Answer:
I think it's the answer 5464
Answered by
6
Answer:
3 , 5, 7......................97 , 99
here is your answer:
a = 1
d = 2
an = 99
99 = 1 +( n - 1 ) 2
98 = (n -1 ) 2
(n- 1 ) = 49
n = 50
so... there are 50 terms
S 50 = 50/2 (2 + 98 )
S 50 = 25 (100)
so... sum of 50 terms is 2500 ..
HOPE IT HELPS YOU !!!
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