Use the properties of summation and the Summation Formulas Theorem to evaluate the sum. Use the summation capabilities of a graphing utility to verify your result. (1? – 3) i = 1

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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### Problem Statement

**Objective:** Evaluate the given sum using the properties of summation and the Summation Formulas Theorem. Verify your result using the summation capabilities of a graphing utility.

**Expression:**
\[
\sum_{i=1}^{11} (i^2 - 3)
\]

### Explanation

This is a summation problem, where we need to compute the sum of terms from \(i = 1\) to \(i = 11\) for the expression \(i^2 - 3\).

**Steps to Solve:**

1. **Expand the Summation:**
   - Calculate each term in the sequence from \(i = 1\) to \(i = 11\).
   
2. **Use Summation Properties:**
   - Break the sum into separate summations if possible:
     \[
     \sum_{i=1}^{11} i^2 - \sum_{i=1}^{11} 3
     \]
   
3. **Apply Summation Formulas:**
   - Use known summation formulas, such as:
     \[
     \sum_{i=1}^{n} i^2 = \frac{n(n+1)(2n+1)}{6}
     \]
   - For the constant term:
     \[
     \sum_{i=1}^{n} c = n \cdot c
     \]

4. **Calculate the Result:**
   - Compute each part using the formulas and properties.
   - Combine the results to get the final sum.

5. **Verification:**
   - Use a graphing utility to input the original expression and verify the computed result.

This approach ensures you not only compute the sum analytically but also confirm its accuracy through technological tools.
Transcribed Image Text:### Problem Statement **Objective:** Evaluate the given sum using the properties of summation and the Summation Formulas Theorem. Verify your result using the summation capabilities of a graphing utility. **Expression:** \[ \sum_{i=1}^{11} (i^2 - 3) \] ### Explanation This is a summation problem, where we need to compute the sum of terms from \(i = 1\) to \(i = 11\) for the expression \(i^2 - 3\). **Steps to Solve:** 1. **Expand the Summation:** - Calculate each term in the sequence from \(i = 1\) to \(i = 11\). 2. **Use Summation Properties:** - Break the sum into separate summations if possible: \[ \sum_{i=1}^{11} i^2 - \sum_{i=1}^{11} 3 \] 3. **Apply Summation Formulas:** - Use known summation formulas, such as: \[ \sum_{i=1}^{n} i^2 = \frac{n(n+1)(2n+1)}{6} \] - For the constant term: \[ \sum_{i=1}^{n} c = n \cdot c \] 4. **Calculate the Result:** - Compute each part using the formulas and properties. - Combine the results to get the final sum. 5. **Verification:** - Use a graphing utility to input the original expression and verify the computed result. This approach ensures you not only compute the sum analytically but also confirm its accuracy through technological tools.
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