Răspuns:
Explicație pas cu pas:
e) x = log(4; 24) = log(4; 3*8) = log(4;3) +log(4; 8)
a = log(3; 8) = log(4;8)/log(4;3)
log(4;8) = log(2;2^3)/log(2;2^2) = 3/2
a = 3/(2log(4;3), log(4;3) = 3/(2a)
x = 3/(2a) +3/2= 3/2*(1/a +a) = 3(a+1)/(2a)
f) x = log(5;50) +log(5;25) =
log(5;50) +log(5;5^2) = = a +2
