Πέμπτη, 3 Ιανουαρίου 2019

What is $0^0$, and who decides, and why does it matter? Definitions in mathematics. | On Teaching and Learning Mathematics

What is $0^0$, and who decides, and why does it matter? Definitions in mathematics. | On Teaching and Learning Mathematics: By Art Duval, Contributing Editor, University of Texas at El Paso How is $0^0$ defined? On one hand, we say $x^0 = 1$ for all positive $x$; on the other hand, we say $0^y = 0$ for all posit…