+0  
 
0
111
1
avatar

Solve for the following logarithmic functions:

(a) log3 (2x-1) = 2             x = Answer

(b) logx 16 = 2                  x = Answer

Guest Aug 14, 2017
Sort: 

1+0 Answers

 #1
avatar+26322 
+1

Use the fact that   loga b = c means  b = ac

 

(a)  log3 (2x-1) = 2   means  2x - 1 = 32,   or  x = (32 + 1)/2  or  x = 5

 

(b)  logx 16 = 2   means   16 = x2,   so x = 4

Alan  Aug 14, 2017

8 Online Users

We use cookies to personalise content and ads, to provide social media features and to analyse our traffic. We also share information about your use of our site with our social media, advertising and analytics partners.  See details