Saturday 10 January 2015

EXPONENTS 5




If  1   = (243)x
    3

solution

1   = (243)x
3

3 -1  = (243)x

3 -1  = (3 5)x 

3 -1  = 3 5x 

3 -1  = 3 5x 

-1 = 5x

-1 = 5x
 5    5

x = -1/5


TRY THIS…………..

If  1   = (125)x
    5



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