Loading [MathJax]/jax/output/SVG/config.js
 
+0  
 
0
633
1
avatar

a(-1)

 Sep 20, 2016
 #1
avatar+15073 
0

a(-1)

 

No calculation character between a and (-1) is  * (multiply).

 

a(-1) = a * (-1) = - a

 

laugh!

 Sep 20, 2016

1 Online Users