find THE SUM OF First25 odd natural number
Answers
Answered by
1
Answer:
625
The number series 1, 3, 5, 7, 9, ...., 49.
Therefore, 625 is the sum of first 25 odd
numbers.
step 1 Address the formula, input
parameters & values.
Input parameters & values:
The number series 1, 3, 5, 7, 9, . .,49.
Step-by-step explanation:
step 1 Address the formula, input
parameters & values.
Input parameters & values:
The number series 1, 3, 5, 7, 9, . .
. ,49.
The first term a = 1
The common difference d = 2
Total number of terms n = 25
step 2 apply the input parameter values
in the AP formula
Sum = n/2 x (a + Tn)
= 25/2 x (1 + 49)
= (25 x 50)/2
= 1250/2
1 + 3 + 5 + 7 + 9 +.
+ 49 = 625
Therefore, 625 is the sum of first 25 odd
numbers.
Hope this helps....
Answered by
0
Step-by-step explanation:
Sum Of first 25 odd natural no.
a=1
d=2
n=25
s25=25/2 × 50
=625
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