SOLUTION: The sum of the first n odd positive integers is 9409. What is the value of n ?

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Question 255625: The sum of the first n odd positive integers is 9409. What is the value of n ?
Answer by drk(1908) About Me  (Show Source):
You can put this solution on YOUR website!
Sum of 1 = 1 = 1*1 = 1^2
sum of 1 and 3 = 4 = 2*2 = 2^2
Sum of 1,3,5 = 9 = 3*3 = 3^2
and so on.
Sum of 1,3,5, . . . , n = n^2
So,
n^2 = 9409
n = 97