e the Integral Test to determine whether the series is con n°e n = 1 aluate the following integral. -X хе dx

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Question
**Use the Integral Test to determine whether the series is convergent or divergent.**

\[ \sum_{n=1}^{\infty} n^3 e^{-n^4} \]

**Evaluate the following integral.**

\[ \int_{1}^{\infty} x^3 e^{-x^4} \, dx \]

Below the integral is a symbol for infinity (∞) followed by a red "x," indicating that the integral diverges.
Transcribed Image Text:**Use the Integral Test to determine whether the series is convergent or divergent.** \[ \sum_{n=1}^{\infty} n^3 e^{-n^4} \] **Evaluate the following integral.** \[ \int_{1}^{\infty} x^3 e^{-x^4} \, dx \] Below the integral is a symbol for infinity (∞) followed by a red "x," indicating that the integral diverges.
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