Applying Integral Test: Why did they integrate from 1 to ∞ instead of

Join the discussion
Registration is free. Ask a follow-up in this thread, or start your own.
1 reply · 2K views
InvalidID
Messages
84
Reaction score
3
Consider example 4 in the attachment.

Why did they integrate from 1 to ∞ instead of e to ∞?
 

Attachments

  • Untitled.png
    Untitled.png
    22.6 KB · Views: 491
Physics news on Phys.org
InvalidID said:
Consider example 4 in the attachment.

Why did they integrate from 1 to ∞ instead of e to ∞?
Your textbook must have a theorem in which they present the integral test. Find it and see what it says.