Question

a) log o podst 3 z 4,5 + log o podst 3 z 2

b)log 4 - log 5 +log 125 (czyli podstawa to 10)

c) log2 z 6 + log 2z 12 - log2 z 9/4

Answer 1

a) log o pods 3 z (4,5*2) = log podst 3 z 9 = log o podst 3 z 3 do2 = 2
b) log 4/5 + log 125 = log (4/5*125)= log 100 = 2
c) log podst 2 z 6 + log podst2 z (12/ 9/4) = log podst 2 z 6 + log podst 2 z 8/3= log podst 2 z 48/3 = log podst 2 z 16 = 4