log base x (0,01) = log base 0,2 (25)
log base 0,2 (25) = log (25) / log (0,2) = 1,39794/-0,69897 = -2
log base 0,2 (25) = -2
Then
log base x (0,01) = -2
log base x (0,01)= log (0,01)/ log (x) = -2/log(x)
If -2/log(x)= -2
Then log (x) must = 1 log(10)=1
So x = 10
Am I right? hehe