Question

The sum of odd positive numbers from 1 to n is 9409. What is the value of n ?​

Answer 1

Answer:

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

Step-by-step explanation:

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