Question

4log25 = ?

(4 do potęgi log o podstawie 2 z 5)

Answer 1

4^log(2) 5 =.....

 

 

 

log(2) 5 = log(4) 5 / log(4) 2 = log(4) 5 / log(4) 4^(1/2) = log(4) 5 / (1/2) = 2 log(4) 5 = log(4) 5^2 = log(4) 25

 

 

4^log(2) 5 = 4^log(4) 25 = 25   ------   odpwoiedź