+0  
 
0
55
1
avatar+153 
Evaluate the following when $a = 3$,$b = \frac14$, and $c = 5$: \[ \frac{b^{-1}}{ca^{-1} - ac^{-1}}. \]
 Nov 18, 2020
 #1
avatar
+1

b^(-1)/(ca^(-1) - ac^(-1)) = 1/4/(5/3 - 3/5) = 15/52.

 Nov 18, 2020

30 Online Users

avatar
avatar
avatar