what is the sum of first 9 odd natural number
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Answered by
2
Answer:
81
The number series 1, 3, 5, 7, 9, . . . . , 17. Therefore, 81 is the sum of first 9 odd numbers.
Answered by
0
n=9
sum of first n odd numbers = n square
= (9) ²
= 81
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