+0  
 
0
323
1
avatar

what is the 'I' mean behind a number

 May 18, 2017
 #1
avatar+771 
+1

i is an imaginary number, or the square root of a negative number.

For example: sqrt(-4) = 2i

 May 18, 2017

39 Online Users

avatar
avatar
avatar
avatar
avatar
avatar
avatar
avatar