Use the summation notation to rewrite the following expression. 6 (1³ – 6) − (2³ − 6) + (3³ – 6) − (4³ − 6) + (5³ − 6) -(6³-6) = | - - - k = 1

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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**Task:** Use the summation notation to rewrite the following expression.

\[
(1^3 - 6) - (2^3 - 6) + (3^3 - 6) - (4^3 - 6) + (5^3 - 6) - (6^3 - 6) = \sum_{k=1}^{6} \; \text{[Box]}
\]

**Instructions:** Fill the box with the appropriate expression to simplify the given equation using summation notation.
Transcribed Image Text:**Task:** Use the summation notation to rewrite the following expression. \[ (1^3 - 6) - (2^3 - 6) + (3^3 - 6) - (4^3 - 6) + (5^3 - 6) - (6^3 - 6) = \sum_{k=1}^{6} \; \text{[Box]} \] **Instructions:** Fill the box with the appropriate expression to simplify the given equation using summation notation.
Expert Solution
Step 1

The series is given in expanded form as 

(13-6)-(23-6)+(33-6)-(43-6)+(53-6)-(63-6)
we have to find the general expression for this series.

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