n is not a negative integer Given n ≥ 0; justify that limx->∞ fn (x) / ex = 0

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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n is not a negative integer

Given n ≥ 0; justify that limx->∞ fn (x) / ex = 0

n
fn(x) = E
x²
= 1+ x +
2
k!
k=0
n!
Transcribed Image Text:n fn(x) = E x² = 1+ x + 2 k! k=0 n!
Expert Solution
Step 1

The limit of the given function goes to zero as the exponential function goes faster to infinity than to nth power goes to infinity.

 

For example, solve the nth degree expression:

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