How many consecutive odd numbers have to be added to get with formula
2. 11?
b. 20
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As we know, the odd numbers are the numbers which are not divisible by 2. They are 1,3,5,7,9,11,13,15,17,19 and so on.
...
Sum of Odd Numbers.
Number of
Sum of odd numbers (Sn)
6 62=36
7 72=49
8 82 = 64
9 92 = 81
...
Sum of Odd Numbers.
Number of
Sum of odd numbers (Sn)
6 62=36
7 72=49
8 82 = 64
9 92 = 81
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