Showing posts with label Complex Numbers. Show all posts
Showing posts with label Complex Numbers. Show all posts

Tuesday, May 20, 2014

Q9: Imaginary Numbers



Question 9: Why were imaginary numbers invented?


Monday, March 31, 2014

78: That Set

What's this all about, then?


An updated version:


And a video zooming in ... 2 * 10275

 



Saturday, March 1, 2014

44: Can two different fractions be the same?

From Gabriel Rosenberg via email:

True or False?
Two-thirds and four-sixths are the same number.

To see why this is tagged Pre-Calculus and Complex Numbers, please see the comments.