what is the sum of first 25 odd natural numbers
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Answered by
2
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.
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.
Answered by
11
Answer:
Answer ⬇
Sum = n/2 x (a + Tn)
= 25/2 x (1 + 49)
= (25 x 50)/ 2
= 1250/2
= 625
Thanks..
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