Monday 13 January 2014

LOGARITHMS B5



If log4(2x + 10)=2; find x

   Solution

log4(2x + 10)=2

 (2x + 10)=42      
                
 2x + 10=16

2x =16 – 10

2x = 6

2x =   6   
2        2

X = 3

Hence x = 3

No comments:

Post a Comment