The sum of first 9 odd numbers is
Answers
Answered by
0
Answer:
81
Step-by-step explanation:
1+3+5+7+11+13+17+19+23
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Answered by
1
Answer:
81
Step-by-step explanation:
we can find sum of first n odd natural no. by using formula n×n
eg . sum of first 9 odd number is = 9×9
=81
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