Răspuns:
Explicație pas cu pas:
a) log(2;2^2) = 2; b) log(9;4^4) =4 ;
c) log(3;1/3) = log(3;1)-log(3;3) = -1
d) log(5;4/100) = log(5;1/25)= -2
e) log(1/2;2) = log(2;1/2)/log(2;2) = -1
(am schimbat baza in 2)
f) lg(1/1000) = -3 ( lg =logaritm in baza 10)
g) lg10 = 1
h) lne^5 = 5
i) log(1/3;3^4) = log(3;1/3)/log(3;3) = -1
j) log(pi;1/(pi^3)) = -3
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Răspuns:
Explicație pas cu pas:
a) log(2;2^2) = 2; b) log(9;4^4) =4 ;
c) log(3;1/3) = log(3;1)-log(3;3) = -1
d) log(5;4/100) = log(5;1/25)= -2
e) log(1/2;2) = log(2;1/2)/log(2;2) = -1
(am schimbat baza in 2)
f) lg(1/1000) = -3 ( lg =logaritm in baza 10)
g) lg10 = 1
h) lne^5 = 5
i) log(1/3;3^4) = log(3;1/3)/log(3;3) = -1
j) log(pi;1/(pi^3)) = -3