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Find the value of x such that log 25 - log 4 = log sqrt(x).  (All logarithms are in base x.)

 Dec 10, 2019
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log 25  -  log 4    =   log  [ sqrt(x)]        we can write

 

log [ 25/4]  = log [ sqrt (x) ]        and  we can write

 

25/4  =  sqrt  (x)       square both sides

 

625 / 16  = x    

 

 

cool cool cool

 Dec 10, 2019

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