Math Problem Statement
Use the formula S =
n squaredn2
to find the sum of 1 + 3 + 5 + ... +
(Hint: To find n, add 1 to the last term and divide by 2.)
Question content area bottom
Part 1
1 + 3 + 5 + ... + 461
= enter your response here
Solution
To find the sum of the series , we can use the formula for the sum of the first odd numbers:
Where is the number of terms in the series.
Step 1: Find
The hint suggests that to find , we need to add 1 to the last term (461) and divide by 2:
So, .
Step 2: Calculate the sum
Now, use the formula to find the sum:
I'll calculate that next.The sum of the series is .
Would you like more details or have any questions? Here are some related questions you might find helpful:
- How would you find the sum of even numbers in a similar series?
- What is the general formula for the sum of the first odd numbers, and why does it work?
- How can you verify that is correct for this problem?
- What is the sum of all odd numbers up to a different value, such as 501?
- How can this method be adapted for finding the sum of a series that skips terms?
Tip: Remember that the sum of the first odd numbers is always , which makes finding such sums straightforward if you can determine .
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Math Problem Analysis
Mathematical Concepts
Series summation
Odd numbers
Formulas
Sum of the first n odd numbers: S = n^2
Theorems
-
Suitable Grade Level
Grades 6-8