perplexus.info :: Just Math : We put the 'fun' in function

We put the 'fun' in function (Posted on 2003-07-01)

Consider the function f(x)=ln(x)/√x

See The Solution Submitted by Bryan

Rating: 4.0000 (2 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

solution

| Comment 3 of 4 |

1. Using L'Hopital's rule: lim f(x) as x→0 = lim (1/2√x) as x →0 = ∞

2. Using Euler's formula: ln(-1) = πi so f(-1) = π

Posted by lmnop on 2004-05-27 02:12:31

Please log in:

Forums (0)
Newest Problems
Random Problem
FAQ | About This Site
Site Statistics
New Comments (11)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On

Chatterbox:


perplexus dot info