Thursday 4 February 2016

LOGARITHMS 1



If log6(3x + 210)=3; find x.

   Solution

Log6(3x + 210)=3

 (3x + 210)=63   
                      
 3x + 210= 216


3x = 210 – 216

3x =  6


3x =  6   
3        3

X = 2


Hence x = 2

TRY THIS...............


If log2(2x - 26)=4; find x

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