Question 146340:  I really need help with this question
 
  log(12,2)+log(12,18)+log(12,4)=x 
 Answer by aswathytony(47)      (Show Source): 
You can  put this solution on YOUR website!  
 log(a,m) + log(a,n) = log(a, m*n)
 
 log(12,2) + log(12,18) + log( 12,4) = x 
      log (12, 2*18*4) = x 
      log(12, 144) = x.
 
     log( m,n) =x then n= m^x. 
       i.e.  144 = 12^x 
             12^2 = 12^x 
             i.e. x= 2. 
  | 
 
  
 
 |   
 
 |